21770296

素因数分解:

$2^3\times {\mathrm{1277}}^1\times {\mathrm{2131}}^1$

素因数の和:3414

約数の個数: 16

約数和(自身を含む): 40870440

約数和(自身を除く): 19100144

約数列:

[1, 2, 4, 8, 1277, 2131, 2554, 4262, 5108, 8524, 10216, 17048, 2721287, 5442574, 10885148, 21770296]

約数ペア:

[(1, 21770296), (2, 10885148), (4, 5442574), (8, 2721287), (1277, 17048), (2131, 10216), (2554, 8524), (4262, 5108)]