21170872

素因数分解:

$2^3\times {\mathrm{739}}^1\times {\mathrm{3581}}^1$

素因数の和:4326

約数の個数: 16

約数和(自身を含む): 39760200

約数和(自身を除く): 18589328

約数列:

[1, 2, 4, 8, 739, 1478, 2956, 3581, 5912, 7162, 14324, 28648, 2646359, 5292718, 10585436, 21170872]

約数ペア:

[(1, 21170872), (2, 10585436), (4, 5292718), (8, 2646359), (739, 28648), (1478, 14324), (2956, 7162), (3581, 5912)]