2021001848

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{198761}}^1$

素因数の和:198839

約数の個数: 32

約数和(自身を含む): 4007041920

約数和(自身を除く): 1986040072

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 2542, 5084, 10168, 198761, 397522, 795044, 1590088, 6161591, 8149201, 12323182, 16298402, 24646364, 32596804, 49292728, 65193608, 252625231, 505250462, 1010500924, 2021001848]

約数ペア:

[(1, 2021001848), (2, 1010500924), (4, 505250462), (8, 252625231), (31, 65193608), (41, 49292728), (62, 32596804), (82, 24646364), (124, 16298402), (164, 12323182), (248, 8149201), (328, 6161591), (1271, 1590088), (2542, 795044), (5084, 397522), (10168, 198761)]