21974770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53597}}^1$

素因数の和:53645

約数の個数: 16

約数和(自身を含む): 40520088

約数和(自身を除く): 18545318

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 53597, 107194, 267985, 535970, 2197477, 4394954, 10987385, 21974770]

約数ペア:

[(1, 21974770), (2, 10987385), (5, 4394954), (10, 2197477), (41, 535970), (82, 267985), (205, 107194), (410, 53597)]