21078618

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{613}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 46153152

約数和(自身を除く): 25074534

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 521, 613, 1042, 1226, 1563, 1839, 3126, 3678, 5731, 6743, 11462, 13486, 17193, 20229, 34386, 40458, 319373, 638746, 958119, 1916238, 3513103, 7026206, 10539309, 21078618]

約数ペア:

[(1, 21078618), (2, 10539309), (3, 7026206), (6, 3513103), (11, 1916238), (22, 958119), (33, 638746), (66, 319373), (521, 40458), (613, 34386), (1042, 20229), (1226, 17193), (1563, 13486), (1839, 11462), (3126, 6743), (3678, 5731)]