21342189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4283}}^1$

素因数の和:4448

約数の個数: 16

約数和(自身を含む): 31256064

約数和(自身を除く): 9913875

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4283, 4983, 12849, 47113, 141339, 646733, 1940199, 7114063, 21342189]

約数ペア:

[(1, 21342189), (3, 7114063), (11, 1940199), (33, 646733), (151, 141339), (453, 47113), (1661, 12849), (4283, 4983)]