212103620

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{13109}}^1$

素因数の和:13927

約数の個数: 24

約数和(自身を含む): 446002200

約数和(自身を除く): 233898580

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 13109, 16180, 26218, 52436, 65545, 131090, 262180, 10605181, 21210362, 42420724, 53025905, 106051810, 212103620]

約数ペア:

[(1, 212103620), (2, 106051810), (4, 53025905), (5, 42420724), (10, 21210362), (20, 10605181), (809, 262180), (1618, 131090), (3236, 65545), (4045, 52436), (8090, 26218), (13109, 16180)]