21869526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{520703}}^1$

素因数の和:520715

約数の個数: 16

約数和(自身を含む): 49987584

約数和(自身を除く): 28118058

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 520703, 1041406, 1562109, 3124218, 3644921, 7289842, 10934763, 21869526]

約数ペア:

[(1, 21869526), (2, 10934763), (3, 7289842), (6, 3644921), (7, 3124218), (14, 1562109), (21, 1041406), (42, 520703)]