21408702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509731}}^1$

素因数の和:509743

約数の個数: 16

約数和(自身を含む): 48934272

約数和(自身を除く): 27525570

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509731, 1019462, 1529193, 3058386, 3568117, 7136234, 10704351, 21408702]

約数ペア:

[(1, 21408702), (2, 10704351), (3, 7136234), (6, 3568117), (7, 3058386), (14, 1529193), (21, 1019462), (42, 509731)]