21172290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{3109}}^1$

素因数の和:3346

約数の個数: 32

約数和(自身を含む): 51053760

約数和(自身を除く): 29881470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 227, 454, 681, 1135, 1362, 2270, 3109, 3405, 6218, 6810, 9327, 15545, 18654, 31090, 46635, 93270, 705743, 1411486, 2117229, 3528715, 4234458, 7057430, 10586145, 21172290]

約数ペア:

[(1, 21172290), (2, 10586145), (3, 7057430), (5, 4234458), (6, 3528715), (10, 2117229), (15, 1411486), (30, 705743), (227, 93270), (454, 46635), (681, 31090), (1135, 18654), (1362, 15545), (2270, 9327), (3109, 6810), (3405, 6218)]