21851786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:950

約数の個数: 32

約数和(自身を含む): 38301120

約数和(自身を除く): 16449334

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 857, 1159, 1342, 1714, 2318, 9427, 12749, 16283, 18854, 25498, 32566, 52277, 104554, 179113, 358226, 575047, 993263, 1150094, 1986526, 10925893, 21851786]

約数ペア:

[(1, 21851786), (2, 10925893), (11, 1986526), (19, 1150094), (22, 993263), (38, 575047), (61, 358226), (122, 179113), (209, 104554), (418, 52277), (671, 32566), (857, 25498), (1159, 18854), (1342, 16283), (1714, 12749), (2318, 9427)]