21008570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{577}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 41449536

約数和(自身を除く): 20440966

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 331, 577, 662, 1154, 1655, 2885, 3310, 3641, 5770, 6347, 7282, 12694, 18205, 31735, 36410, 63470, 190987, 381974, 954935, 1909870, 2100857, 4201714, 10504285, 21008570]

約数ペア:

[(1, 21008570), (2, 10504285), (5, 4201714), (10, 2100857), (11, 1909870), (22, 954935), (55, 381974), (110, 190987), (331, 63470), (577, 36410), (662, 31735), (1154, 18205), (1655, 12694), (2885, 7282), (3310, 6347), (3641, 5770)]