25208421

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{63179}}^1$

素因数の和:63208

約数の個数: 16

約数和(自身を含む): 40435200

約数和(自身を除く): 15226779

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 63179, 189537, 442253, 1200401, 1326759, 3601203, 8402807, 25208421]

約数ペア:

[(1, 25208421), (3, 8402807), (7, 3601203), (19, 1326759), (21, 1200401), (57, 442253), (133, 189537), (399, 63179)]