21377730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64781}}^1$

素因数の和:64802

約数の個数: 32

約数和(自身を含む): 55971648

約数和(自身を除く): 34593918

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64781, 129562, 194343, 323905, 388686, 647810, 712591, 971715, 1425182, 1943430, 2137773, 3562955, 4275546, 7125910, 10688865, 21377730]

約数ペア:

[(1, 21377730), (2, 10688865), (3, 7125910), (5, 4275546), (6, 3562955), (10, 2137773), (11, 1943430), (15, 1425182), (22, 971715), (30, 712591), (33, 647810), (55, 388686), (66, 323905), (110, 194343), (165, 129562), (330, 64781)]