21371770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16069}}^1$

素因数の和:16102

約数の個数: 32

約数和(自身を含む): 46281600

約数和(自身を除く): 24909830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16069, 32138, 80345, 112483, 160690, 224966, 305311, 562415, 610622, 1124830, 1526555, 2137177, 3053110, 4274354, 10685885, 21371770]

約数ペア:

[(1, 21371770), (2, 10685885), (5, 4274354), (7, 3053110), (10, 2137177), (14, 1526555), (19, 1124830), (35, 610622), (38, 562415), (70, 305311), (95, 224966), (133, 160690), (190, 112483), (266, 80345), (665, 32138), (1330, 16069)]