21421214017

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{1328777}}^1$

素因数の和:1328845

約数の個数: 16

約数和(自身を含む): 25512537600

約数和(自身を除く): 4091323583

約数列:

[1, 7, 47, 49, 329, 343, 2303, 16121, 1328777, 9301439, 62452519, 65110073, 437167633, 455770511, 3060173431, 21421214017]

約数ペア:

[(1, 21421214017), (7, 3060173431), (47, 455770511), (49, 437167633), (329, 65110073), (343, 62452519), (2303, 9301439), (16121, 1328777)]