21099682664

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25606411}}^1$

素因数の和:25606520

約数の個数: 16

約数和(自身を含む): 39946002720

約数和(自身を除く): 18846320056

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25606411, 51212822, 102425644, 204851288, 2637460333, 5274920666, 10549841332, 21099682664]

約数ペア:

[(1, 21099682664), (2, 10549841332), (4, 5274920666), (8, 2637460333), (103, 204851288), (206, 102425644), (412, 51212822), (824, 25606411)]