21639702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{515231}}^1$

素因数の和:515243

約数の個数: 16

約数和(自身を含む): 49462272

約数和(自身を除く): 27822570

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 515231, 1030462, 1545693, 3091386, 3606617, 7213234, 10819851, 21639702]

約数ペア:

[(1, 21639702), (2, 10819851), (3, 7213234), (6, 3606617), (7, 3091386), (14, 1545693), (21, 1030462), (42, 515231)]