21575730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65381}}^1$

素因数の和:65402

約数の個数: 32

約数和(自身を含む): 56490048

約数和(自身を除く): 34914318

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65381, 130762, 196143, 326905, 392286, 653810, 719191, 980715, 1438382, 1961430, 2157573, 3595955, 4315146, 7191910, 10787865, 21575730]

約数ペア:

[(1, 21575730), (2, 10787865), (3, 7191910), (5, 4315146), (6, 3595955), (10, 2157573), (11, 1961430), (15, 1438382), (22, 980715), (30, 719191), (33, 653810), (55, 392286), (66, 326905), (110, 196143), (165, 130762), (330, 65381)]