21171567480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{971}}^1$

素因数の和:1350

約数の個数: 256

約数和(自身を含む): 73667957760

約数和(自身を除く): 52496390280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 257, 280, 303, 404, 420, 505, 514, 606, 707, 771, 808, 840, 971, 1010, 1028, 1212, 1285, 1414, 1515, 1542, 1799, 1942, 2020, 2056, 2121, 2424, 2570, 2828, 2913, 3030, 3084, 3535, 3598, 3855, 3884, 4040, 4242, 4855, 5140, 5397, 5656, 5826, 6060, 6168, 6797, 7070, 7196, 7710, 7768, 8484, 8995, 9710, 10280, 10605, 10794, 11652, 12120, 13594, 14140, 14392, 14565, 15420, 16968, 17990, 19420, 20391, 21210, 21588, 23304, 25957, 26985, 27188, 28280, 29130, 30840, 33985, 35980, 38840, 40782, 42420, 43176, 51914, 53970, 54376, 58260, 67970, 71960, 77871, 81564, 84840, 98071, 101955, 103828, 107940, 116520, 129785, 135940, 155742, 163128, 181699, 196142, 203910, 207656, 215880, 249547, 259570, 271880, 294213, 311484, 363398, 389355, 392284, 407820, 490355, 499094, 519140, 545097, 588426, 622968, 686497, 726796, 748641, 778710, 784568, 815640, 908495, 980710, 998188, 1038280, 1090194, 1176852, 1247735, 1372994, 1453592, 1471065, 1497282, 1557420, 1746829, 1816990, 1961420, 1996376, 2059491, 2180388, 2353704, 2495470, 2725485, 2745988, 2942130, 2994564, 3114840, 3432485, 3493658, 3633980, 3743205, 3922840, 4118982, 4360776, 4990940, 5240487, 5450970, 5491976, 5884260, 5989128, 6864970, 6987316, 7267960, 7486410, 8237964, 8734145, 9981880, 10297455, 10480974, 10901940, 11768520, 13729940, 13974632, 14972820, 16475928, 17468290, 20594910, 20961948, 21803880, 25204247, 26202435, 27459880, 29945640, 34936580, 41189820, 41923896, 50408494, 52404870, 69873160, 75612741, 82379640, 100816988, 104809740, 126021235, 151225482, 176429729, 201633976, 209619480, 252042470, 302450964, 352859458, 378063705, 504084940, 529289187, 604901928, 705718916, 756127410, 882148645, 1008169880, 1058578374, 1411437832, 1512254820, 1764297290, 2117156748, 2646445935, 3024509640, 3528594580, 4234313496, 5292891870, 7057189160, 10585783740, 21171567480]

約数ペア:

[(1, 21171567480), (2, 10585783740), (3, 7057189160), (4, 5292891870), (5, 4234313496), (6, 3528594580), (7, 3024509640), (8, 2646445935), (10, 2117156748), (12, 1764297290), (14, 1512254820), (15, 1411437832), (20, 1058578374), (21, 1008169880), (24, 882148645), (28, 756127410), (30, 705718916), (35, 604901928), (40, 529289187), (42, 504084940), (56, 378063705), (60, 352859458), (70, 302450964), (84, 252042470), (101, 209619480), (105, 201633976), (120, 176429729), (140, 151225482), (168, 126021235), (202, 104809740), (210, 100816988), (257, 82379640), (280, 75612741), (303, 69873160), (404, 52404870), (420, 50408494), (505, 41923896), (514, 41189820), (606, 34936580), (707, 29945640), (771, 27459880), (808, 26202435), (840, 25204247), (971, 21803880), (1010, 20961948), (1028, 20594910), (1212, 17468290), (1285, 16475928), (1414, 14972820), (1515, 13974632), (1542, 13729940), (1799, 11768520), (1942, 10901940), (2020, 10480974), (2056, 10297455), (2121, 9981880), (2424, 8734145), (2570, 8237964), (2828, 7486410), (2913, 7267960), (3030, 6987316), (3084, 6864970), (3535, 5989128), (3598, 5884260), (3855, 5491976), (3884, 5450970), (4040, 5240487), (4242, 4990940), (4855, 4360776), (5140, 4118982), (5397, 3922840), (5656, 3743205), (5826, 3633980), (6060, 3493658), (6168, 3432485), (6797, 3114840), (7070, 2994564), (7196, 2942130), (7710, 2745988), (7768, 2725485), (8484, 2495470), (8995, 2353704), (9710, 2180388), (10280, 2059491), (10605, 1996376), (10794, 1961420), (11652, 1816990), (12120, 1746829), (13594, 1557420), (14140, 1497282), (14392, 1471065), (14565, 1453592), (15420, 1372994), (16968, 1247735), (17990, 1176852), (19420, 1090194), (20391, 1038280), (21210, 998188), (21588, 980710), (23304, 908495), (25957, 815640), (26985, 784568), (27188, 778710), (28280, 748641), (29130, 726796), (30840, 686497), (33985, 622968), (35980, 588426), (38840, 545097), (40782, 519140), (42420, 499094), (43176, 490355), (51914, 407820), (53970, 392284), (54376, 389355), (58260, 363398), (67970, 311484), (71960, 294213), (77871, 271880), (81564, 259570), (84840, 249547), (98071, 215880), (101955, 207656), (103828, 203910), (107940, 196142), (116520, 181699), (129785, 163128), (135940, 155742)]