21327654

素因数分解:

$2^1\times 3^1\times {\mathrm{331}}^1\times {\mathrm{10739}}^1$

素因数の和:11075

約数の個数: 16

約数和(自身を含む): 42788160

約数和(自身を除く): 21460506

約数列:

[1, 2, 3, 6, 331, 662, 993, 1986, 10739, 21478, 32217, 64434, 3554609, 7109218, 10663827, 21327654]

約数ペア:

[(1, 21327654), (2, 10663827), (3, 7109218), (6, 3554609), (331, 64434), (662, 32217), (993, 21478), (1986, 10739)]