21817146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279707}}^1$

素因数の和:279725

約数の個数: 16

約数和(自身を含む): 46990944

約数和(自身を除く): 25173798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279707, 559414, 839121, 1678242, 3636191, 7272382, 10908573, 21817146]

約数ペア:

[(1, 21817146), (2, 10908573), (3, 7272382), (6, 3636191), (13, 1678242), (26, 839121), (39, 559414), (78, 279707)]