21033130128

素因数分解:

$2^4\times 3^1\times {\mathrm{2707}}^1\times {\mathrm{161873}}^1$

素因数の和:164591

約数の個数: 40

約数和(自身を含む): 54355994208

約数和(自身を除く): 33322864080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 2707, 5414, 8121, 10828, 16242, 21656, 32484, 43312, 64968, 129936, 161873, 323746, 485619, 647492, 971238, 1294984, 1942476, 2589968, 3884952, 7769904, 438190211, 876380422, 1314570633, 1752760844, 2629141266, 3505521688, 5258282532, 7011043376, 10516565064, 21033130128]

約数ペア:

[(1, 21033130128), (2, 10516565064), (3, 7011043376), (4, 5258282532), (6, 3505521688), (8, 2629141266), (12, 1752760844), (16, 1314570633), (24, 876380422), (48, 438190211), (2707, 7769904), (5414, 3884952), (8121, 2589968), (10828, 1942476), (16242, 1294984), (21656, 971238), (32484, 647492), (43312, 485619), (64968, 323746), (129936, 161873)]