21000584556

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10369}}^1$

素因数の和:10458

約数の個数: 240

約数和(自身を含む): 67456435200

約数和(自身を除く): 46455850644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 47, 54, 57, 63, 76, 81, 84, 94, 108, 114, 126, 133, 141, 162, 171, 188, 189, 228, 252, 266, 282, 324, 329, 342, 378, 399, 423, 513, 532, 564, 567, 658, 684, 756, 798, 846, 893, 987, 1026, 1134, 1197, 1269, 1316, 1539, 1596, 1692, 1786, 1974, 2052, 2268, 2394, 2538, 2679, 2961, 3078, 3572, 3591, 3807, 3948, 4788, 5076, 5358, 5922, 6156, 6251, 7182, 7614, 8037, 8883, 10369, 10716, 10773, 11844, 12502, 14364, 15228, 16074, 17766, 18753, 20738, 21546, 24111, 25004, 26649, 31107, 32148, 35532, 37506, 41476, 43092, 48222, 53298, 56259, 62214, 72333, 72583, 75012, 93321, 96444, 106596, 112518, 124428, 144666, 145166, 168777, 186642, 197011, 217749, 225036, 279963, 289332, 290332, 337554, 373284, 394022, 435498, 487343, 506331, 559926, 591033, 653247, 675108, 788044, 839889, 870996, 974686, 1012662, 1119852, 1182066, 1306494, 1379077, 1462029, 1679778, 1773099, 1949372, 1959741, 2025324, 2364132, 2612988, 2758154, 2924058, 3359556, 3411401, 3546198, 3919482, 4137231, 4386087, 5319297, 5516308, 5848116, 5879223, 6822802, 7092396, 7838964, 8274462, 8772174, 9259517, 10234203, 10638594, 11758446, 12411693, 13158261, 13645604, 15957891, 16548924, 17544348, 18519034, 20468406, 21277188, 23516892, 24823386, 26316522, 27778551, 30702609, 31915782, 37038068, 37235079, 39474783, 40936812, 49646772, 52633044, 55557102, 61405218, 63831564, 64816619, 74470158, 78949566, 83335653, 92107827, 111114204, 111705237, 122810436, 129633238, 148940316, 157899132, 166671306, 184215654, 194449857, 223410474, 250006959, 259266476, 276323481, 333342612, 368431308, 388899714, 446820948, 500013918, 552646962, 583349571, 750020877, 777799428, 1000027836, 1105293924, 1166699142, 1500041754, 1750048713, 2333398284, 3000083508, 3500097426, 5250146139, 7000194852, 10500292278, 21000584556]

約数ペア:

[(1, 21000584556), (2, 10500292278), (3, 7000194852), (4, 5250146139), (6, 3500097426), (7, 3000083508), (9, 2333398284), (12, 1750048713), (14, 1500041754), (18, 1166699142), (19, 1105293924), (21, 1000027836), (27, 777799428), (28, 750020877), (36, 583349571), (38, 552646962), (42, 500013918), (47, 446820948), (54, 388899714), (57, 368431308), (63, 333342612), (76, 276323481), (81, 259266476), (84, 250006959), (94, 223410474), (108, 194449857), (114, 184215654), (126, 166671306), (133, 157899132), (141, 148940316), (162, 129633238), (171, 122810436), (188, 111705237), (189, 111114204), (228, 92107827), (252, 83335653), (266, 78949566), (282, 74470158), (324, 64816619), (329, 63831564), (342, 61405218), (378, 55557102), (399, 52633044), (423, 49646772), (513, 40936812), (532, 39474783), (564, 37235079), (567, 37038068), (658, 31915782), (684, 30702609), (756, 27778551), (798, 26316522), (846, 24823386), (893, 23516892), (987, 21277188), (1026, 20468406), (1134, 18519034), (1197, 17544348), (1269, 16548924), (1316, 15957891), (1539, 13645604), (1596, 13158261), (1692, 12411693), (1786, 11758446), (1974, 10638594), (2052, 10234203), (2268, 9259517), (2394, 8772174), (2538, 8274462), (2679, 7838964), (2961, 7092396), (3078, 6822802), (3572, 5879223), (3591, 5848116), (3807, 5516308), (3948, 5319297), (4788, 4386087), (5076, 4137231), (5358, 3919482), (5922, 3546198), (6156, 3411401), (6251, 3359556), (7182, 2924058), (7614, 2758154), (8037, 2612988), (8883, 2364132), (10369, 2025324), (10716, 1959741), (10773, 1949372), (11844, 1773099), (12502, 1679778), (14364, 1462029), (15228, 1379077), (16074, 1306494), (17766, 1182066), (18753, 1119852), (20738, 1012662), (21546, 974686), (24111, 870996), (25004, 839889), (26649, 788044), (31107, 675108), (32148, 653247), (35532, 591033), (37506, 559926), (41476, 506331), (43092, 487343), (48222, 435498), (53298, 394022), (56259, 373284), (62214, 337554), (72333, 290332), (72583, 289332), (75012, 279963), (93321, 225036), (96444, 217749), (106596, 197011), (112518, 186642), (124428, 168777), (144666, 145166)]