21270722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 36716544

約数和(自身を除く): 15445822

約数列:

[1, 2, 11, 22, 23, 46, 127, 253, 254, 331, 506, 662, 1397, 2794, 2921, 3641, 5842, 7282, 7613, 15226, 32131, 42037, 64262, 83743, 84074, 167486, 462407, 924814, 966851, 1933702, 10635361, 21270722]

約数ペア:

[(1, 21270722), (2, 10635361), (11, 1933702), (22, 966851), (23, 924814), (46, 462407), (127, 167486), (253, 84074), (254, 83743), (331, 64262), (506, 42037), (662, 32131), (1397, 15226), (2794, 7613), (2921, 7282), (3641, 5842)]