2125420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9661}}^1$

素因数の和:9681

約数の個数: 24

約数和(自身を含む): 4869648

約数和(自身を除く): 2744228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9661, 19322, 38644, 48305, 96610, 106271, 193220, 212542, 425084, 531355, 1062710, 2125420]

約数ペア:

[(1, 2125420), (2, 1062710), (4, 531355), (5, 425084), (10, 212542), (11, 193220), (20, 106271), (22, 96610), (44, 48305), (55, 38644), (110, 19322), (220, 9661)]