21260226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{272567}}^1$

素因数の和:272585

約数の個数: 16

約数和(自身を含む): 45791424

約数和(自身を除く): 24531198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 272567, 545134, 817701, 1635402, 3543371, 7086742, 10630113, 21260226]

約数ペア:

[(1, 21260226), (2, 10630113), (3, 7086742), (6, 3543371), (13, 1635402), (26, 817701), (39, 545134), (78, 272567)]