21620654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26561}}^1$

素因数の和:26611

約数の個数: 16

約数和(自身を含む): 36336816

約数和(自身を除く): 14716162

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26561, 53122, 292171, 584342, 982757, 1965514, 10810327, 21620654]

約数ペア:

[(1, 21620654), (2, 10810327), (11, 1965514), (22, 982757), (37, 584342), (74, 292171), (407, 53122), (814, 26561)]