21645118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^2$

素因数の和:328

約数の個数: 24

約数和(自身を含む): 36285624

約数和(自身を除く): 14640506

約数列:

[1, 2, 11, 22, 61, 122, 127, 254, 671, 1342, 1397, 2794, 7747, 15494, 16129, 32258, 85217, 170434, 177419, 354838, 983869, 1967738, 10822559, 21645118]

約数ペア:

[(1, 21645118), (2, 10822559), (11, 1967738), (22, 983869), (61, 354838), (122, 177419), (127, 170434), (254, 85217), (671, 32258), (1342, 16129), (1397, 15494), (2794, 7747)]