21516494

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:955

約数の個数: 16

約数和(自身を含む): 32853600

約数和(自身を除く): 11337106

約数列:

[1, 2, 103, 149, 206, 298, 701, 1402, 15347, 30694, 72203, 104449, 144406, 208898, 10758247, 21516494]

約数ペア:

[(1, 21516494), (2, 10758247), (103, 208898), (149, 144406), (206, 104449), (298, 72203), (701, 30694), (1402, 15347)]