21538126

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7901}}^1$

素因数の和:7979

約数の個数: 16

約数和(自身を含む): 34136640

約数和(自身を除く): 12598514

約数列:

[1, 2, 29, 47, 58, 94, 1363, 2726, 7901, 15802, 229129, 371347, 458258, 742694, 10769063, 21538126]

約数ペア:

[(1, 21538126), (2, 10769063), (29, 742694), (47, 458258), (58, 371347), (94, 229129), (1363, 15802), (2726, 7901)]