21518566

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1289}}^1$

素因数の和:1799

約数の個数: 16

約数和(自身を含む): 34272720

約数和(自身を除く): 12754154

約数列:

[1, 2, 17, 34, 491, 982, 1289, 2578, 8347, 16694, 21913, 43826, 632899, 1265798, 10759283, 21518566]

約数ペア:

[(1, 21518566), (2, 10759283), (17, 1265798), (34, 632899), (491, 43826), (982, 21913), (1289, 16694), (2578, 8347)]