21652931615

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{53503}}^1$

素因数の和:53919

約数の個数: 32

約数和(自身を含む): 30736121856

約数和(自身を除く): 9083190241

約数列:

[1, 5, 7, 31, 35, 155, 217, 373, 1085, 1865, 2611, 11563, 13055, 53503, 57815, 80941, 267515, 374521, 404705, 1658593, 1872605, 8292965, 11610151, 19956619, 58050755, 99783095, 139696333, 618655189, 698481665, 3093275945, 4330586323, 21652931615]

約数ペア:

[(1, 21652931615), (5, 4330586323), (7, 3093275945), (31, 698481665), (35, 618655189), (155, 139696333), (217, 99783095), (373, 58050755), (1085, 19956619), (1865, 11610151), (2611, 8292965), (11563, 1872605), (13055, 1658593), (53503, 404705), (57815, 374521), (80941, 267515)]