21194490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5393}}^1$

素因数の和:5534

約数の個数: 32

約数和(自身を含む): 51264576

約数和(自身を除く): 30070086

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5393, 10786, 16179, 26965, 32358, 53930, 80895, 161790, 706483, 1412966, 2119449, 3532415, 4238898, 7064830, 10597245, 21194490]

約数ペア:

[(1, 21194490), (2, 10597245), (3, 7064830), (5, 4238898), (6, 3532415), (10, 2119449), (15, 1412966), (30, 706483), (131, 161790), (262, 80895), (393, 53930), (655, 32358), (786, 26965), (1310, 16179), (1965, 10786), (3930, 5393)]