21401562

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2107

約数の個数: 64

約数和(自身を含む): 55480320

約数和(自身を除く): 34078758

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 2063, 3458, 4126, 5187, 6189, 10374, 12378, 14441, 26819, 28882, 39197, 43323, 53638, 78394, 80457, 86646, 117591, 160914, 187733, 235182, 274379, 375466, 509561, 548758, 563199, 823137, 1019122, 1126398, 1528683, 1646274, 3057366, 3566927, 7133854, 10700781, 21401562]

約数ペア:

[(1, 21401562), (2, 10700781), (3, 7133854), (6, 3566927), (7, 3057366), (13, 1646274), (14, 1528683), (19, 1126398), (21, 1019122), (26, 823137), (38, 563199), (39, 548758), (42, 509561), (57, 375466), (78, 274379), (91, 235182), (114, 187733), (133, 160914), (182, 117591), (247, 86646), (266, 80457), (273, 78394), (399, 53638), (494, 43323), (546, 39197), (741, 28882), (798, 26819), (1482, 14441), (1729, 12378), (2063, 10374), (3458, 6189), (4126, 5187)]