21519870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6581}}^1$

素因数の和:6700

約数の個数: 32

約数和(自身を含む): 52129440

約数和(自身を除く): 30609570

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 6581, 13162, 19743, 32905, 39486, 65810, 98715, 197430, 717329, 1434658, 2151987, 3586645, 4303974, 7173290, 10759935, 21519870]

約数ペア:

[(1, 21519870), (2, 10759935), (3, 7173290), (5, 4303974), (6, 3586645), (10, 2151987), (15, 1434658), (30, 717329), (109, 197430), (218, 98715), (327, 65810), (545, 39486), (654, 32905), (1090, 19743), (1635, 13162), (3270, 6581)]