21455212912

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:624

約数の個数: 240

約数和(自身を含む): 52899739200

約数和(自身を除く): 31444526288

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 46, 49, 56, 58, 89, 92, 98, 112, 116, 161, 178, 184, 196, 203, 232, 322, 356, 368, 392, 406, 461, 464, 623, 644, 667, 712, 784, 812, 922, 1127, 1246, 1288, 1334, 1421, 1424, 1624, 1844, 2047, 2254, 2492, 2576, 2581, 2668, 2842, 3227, 3248, 3688, 4094, 4361, 4508, 4669, 4984, 5162, 5336, 5684, 6454, 7376, 8188, 8722, 9016, 9338, 9968, 10324, 10603, 10672, 11368, 12908, 13369, 14329, 16376, 17444, 18032, 18067, 18676, 20648, 21206, 22589, 22736, 25816, 26738, 28658, 32683, 32752, 34888, 36134, 37352, 41029, 41296, 42412, 45178, 51632, 53476, 57316, 59363, 65366, 69776, 72268, 74221, 74704, 82058, 84824, 90356, 93583, 100303, 106952, 114632, 118726, 126469, 130732, 144536, 148442, 164116, 169648, 180712, 187166, 200606, 213904, 229264, 237452, 252938, 261464, 287203, 289072, 296884, 307487, 328232, 361424, 374332, 401212, 415541, 474904, 505876, 519547, 522928, 574406, 593768, 614974, 655081, 656464, 748664, 802424, 831082, 943667, 949808, 1011752, 1039094, 1148812, 1187536, 1189841, 1229948, 1310162, 1497328, 1604848, 1662164, 1887334, 2010421, 2023504, 2078188, 2152409, 2297624, 2379682, 2459896, 2620324, 2908787, 3324328, 3774668, 4020842, 4156376, 4304818, 4595248, 4759364, 4919792, 5240648, 5817574, 6605669, 6648656, 7549336, 8041684, 8312752, 8328887, 8609636, 9518728, 10481296, 11635148, 13211338, 15066863, 15098672, 16083368, 16657774, 17219272, 19037456, 23270296, 26422676, 27366343, 30133726, 32166736, 33315548, 34438544, 46239683, 46540592, 52845352, 54732686, 58302209, 60267452, 66631096, 92479366, 105690704, 109465372, 116604418, 120534904, 133262192, 184958732, 191564401, 218930744, 233208836, 241069808, 369917464, 383128802, 437861488, 466417672, 739834928, 766257604, 932835344, 1340950807, 1532515208, 2681901614, 3065030416, 5363803228, 10727606456, 21455212912]

約数ペア:

[(1, 21455212912), (2, 10727606456), (4, 5363803228), (7, 3065030416), (8, 2681901614), (14, 1532515208), (16, 1340950807), (23, 932835344), (28, 766257604), (29, 739834928), (46, 466417672), (49, 437861488), (56, 383128802), (58, 369917464), (89, 241069808), (92, 233208836), (98, 218930744), (112, 191564401), (116, 184958732), (161, 133262192), (178, 120534904), (184, 116604418), (196, 109465372), (203, 105690704), (232, 92479366), (322, 66631096), (356, 60267452), (368, 58302209), (392, 54732686), (406, 52845352), (461, 46540592), (464, 46239683), (623, 34438544), (644, 33315548), (667, 32166736), (712, 30133726), (784, 27366343), (812, 26422676), (922, 23270296), (1127, 19037456), (1246, 17219272), (1288, 16657774), (1334, 16083368), (1421, 15098672), (1424, 15066863), (1624, 13211338), (1844, 11635148), (2047, 10481296), (2254, 9518728), (2492, 8609636), (2576, 8328887), (2581, 8312752), (2668, 8041684), (2842, 7549336), (3227, 6648656), (3248, 6605669), (3688, 5817574), (4094, 5240648), (4361, 4919792), (4508, 4759364), (4669, 4595248), (4984, 4304818), (5162, 4156376), (5336, 4020842), (5684, 3774668), (6454, 3324328), (7376, 2908787), (8188, 2620324), (8722, 2459896), (9016, 2379682), (9338, 2297624), (9968, 2152409), (10324, 2078188), (10603, 2023504), (10672, 2010421), (11368, 1887334), (12908, 1662164), (13369, 1604848), (14329, 1497328), (16376, 1310162), (17444, 1229948), (18032, 1189841), (18067, 1187536), (18676, 1148812), (20648, 1039094), (21206, 1011752), (22589, 949808), (22736, 943667), (25816, 831082), (26738, 802424), (28658, 748664), (32683, 656464), (32752, 655081), (34888, 614974), (36134, 593768), (37352, 574406), (41029, 522928), (41296, 519547), (42412, 505876), (45178, 474904), (51632, 415541), (53476, 401212), (57316, 374332), (59363, 361424), (65366, 328232), (69776, 307487), (72268, 296884), (74221, 289072), (74704, 287203), (82058, 261464), (84824, 252938), (90356, 237452), (93583, 229264), (100303, 213904), (106952, 200606), (114632, 187166), (118726, 180712), (126469, 169648), (130732, 164116), (144536, 148442)]