21726143999

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1\times {\mathrm{64091}}^1$

素因数の和:64790

約数の個数: 16

約数和(自身を含む): 25185592320

約数和(自身を除く): 3459448321

約数列:

[1, 7, 79, 553, 613, 4291, 48427, 64091, 338989, 448637, 5063189, 35442323, 39287783, 275014481, 3103734857, 21726143999]

約数ペア:

[(1, 21726143999), (7, 3103734857), (79, 275014481), (553, 39287783), (613, 35442323), (4291, 5063189), (48427, 448637), (64091, 338989)]