21441576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3617}}^1$

素因数の和:3658

約数の個数: 64

約数和(自身を含む): 60782400

約数和(自身を除く): 39340824

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3617, 5928, 7234, 10851, 14468, 21702, 28936, 43404, 47021, 68723, 86808, 94042, 137446, 141063, 188084, 206169, 274892, 282126, 376168, 412338, 549784, 564252, 824676, 893399, 1128504, 1649352, 1786798, 2680197, 3573596, 5360394, 7147192, 10720788, 21441576]

約数ペア:

[(1, 21441576), (2, 10720788), (3, 7147192), (4, 5360394), (6, 3573596), (8, 2680197), (12, 1786798), (13, 1649352), (19, 1128504), (24, 893399), (26, 824676), (38, 564252), (39, 549784), (52, 412338), (57, 376168), (76, 282126), (78, 274892), (104, 206169), (114, 188084), (152, 141063), (156, 137446), (228, 94042), (247, 86808), (312, 68723), (456, 47021), (494, 43404), (741, 28936), (988, 21702), (1482, 14468), (1976, 10851), (2964, 7234), (3617, 5928)]