21417103491

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21699193}}^1$

素因数の和:21699250

約数の個数: 16

約数和(自身を含む): 33329961984

約数和(自身を除く): 11912858493

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21699193, 65097579, 151894351, 455683053, 1019862071, 3059586213, 7139034497, 21417103491]

約数ペア:

[(1, 21417103491), (3, 7139034497), (7, 3059586213), (21, 1019862071), (47, 455683053), (141, 151894351), (329, 65097579), (987, 21699193)]