21197736

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 66306240

約数和(自身を除く): 45108504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 137, 168, 252, 274, 307, 411, 504, 548, 614, 822, 921, 959, 1096, 1228, 1233, 1644, 1842, 1918, 2149, 2456, 2466, 2763, 2877, 3288, 3684, 3836, 4298, 4932, 5526, 5754, 6447, 7368, 7672, 8596, 8631, 9864, 11052, 11508, 12894, 17192, 17262, 19341, 22104, 23016, 25788, 34524, 38682, 42059, 51576, 69048, 77364, 84118, 126177, 154728, 168236, 252354, 294413, 336472, 378531, 504708, 588826, 757062, 883239, 1009416, 1177652, 1514124, 1766478, 2355304, 2649717, 3028248, 3532956, 5299434, 7065912, 10598868, 21197736]

約数ペア:

[(1, 21197736), (2, 10598868), (3, 7065912), (4, 5299434), (6, 3532956), (7, 3028248), (8, 2649717), (9, 2355304), (12, 1766478), (14, 1514124), (18, 1177652), (21, 1009416), (24, 883239), (28, 757062), (36, 588826), (42, 504708), (56, 378531), (63, 336472), (72, 294413), (84, 252354), (126, 168236), (137, 154728), (168, 126177), (252, 84118), (274, 77364), (307, 69048), (411, 51576), (504, 42059), (548, 38682), (614, 34524), (822, 25788), (921, 23016), (959, 22104), (1096, 19341), (1228, 17262), (1233, 17192), (1644, 12894), (1842, 11508), (1918, 11052), (2149, 9864), (2456, 8631), (2466, 8596), (2763, 7672), (2877, 7368), (3288, 6447), (3684, 5754), (3836, 5526), (4298, 4932)]