21921701

素因数分解:

${\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{9619}}^1$

素因数の和:9715

約数の個数: 8

約数和(自身を含む): 22857120

約数和(自身を除く): 935419

約数列:

[1, 43, 53, 2279, 9619, 413617, 509807, 21921701]

約数ペア:

[(1, 21921701), (43, 509807), (53, 413617), (2279, 9619)]