21062190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8887}}^1$

素因数の和:8976

約数の個数: 32

約数和(自身を含む): 51194880

約数和(自身を除く): 30132690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8887, 17774, 26661, 44435, 53322, 88870, 133305, 266610, 702073, 1404146, 2106219, 3510365, 4212438, 7020730, 10531095, 21062190]

約数ペア:

[(1, 21062190), (2, 10531095), (3, 7020730), (5, 4212438), (6, 3510365), (10, 2106219), (15, 1404146), (30, 702073), (79, 266610), (158, 133305), (237, 88870), (395, 53322), (474, 44435), (790, 26661), (1185, 17774), (2370, 8887)]