21185778

素因数分解:

$2^1\times 3^1\times {\mathrm{1319}}^1\times {\mathrm{2677}}^1$

素因数の和:4001

約数の個数: 16

約数和(自身を含む): 42419520

約数和(自身を除く): 21233742

約数列:

[1, 2, 3, 6, 1319, 2638, 2677, 3957, 5354, 7914, 8031, 16062, 3530963, 7061926, 10592889, 21185778]

約数ペア:

[(1, 21185778), (2, 10592889), (3, 7061926), (6, 3530963), (1319, 16062), (2638, 8031), (2677, 7914), (3957, 5354)]