21837426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279967}}^1$

素因数の和:279985

約数の個数: 16

約数和(自身を含む): 47034624

約数和(自身を除く): 25197198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279967, 559934, 839901, 1679802, 3639571, 7279142, 10918713, 21837426]

約数ペア:

[(1, 21837426), (2, 10918713), (3, 7279142), (6, 3639571), (13, 1679802), (26, 839901), (39, 559934), (78, 279967)]