21055294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 35814240

約数和(自身を除く): 14758946

約数列:

[1, 2, 13, 26, 37, 43, 74, 86, 481, 509, 559, 962, 1018, 1118, 1591, 3182, 6617, 13234, 18833, 20683, 21887, 37666, 41366, 43774, 244829, 284531, 489658, 569062, 809819, 1619638, 10527647, 21055294]

約数ペア:

[(1, 21055294), (2, 10527647), (13, 1619638), (26, 809819), (37, 569062), (43, 489658), (74, 284531), (86, 244829), (481, 43774), (509, 41366), (559, 37666), (962, 21887), (1018, 20683), (1118, 18833), (1591, 13234), (3182, 6617)]