21032778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269651}}^1$

素因数の和:269669

約数の個数: 16

約数和(自身を含む): 45301536

約数和(自身を除く): 24268758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269651, 539302, 808953, 1617906, 3505463, 7010926, 10516389, 21032778]

約数ペア:

[(1, 21032778), (2, 10516389), (3, 7010926), (6, 3505463), (13, 1617906), (26, 808953), (39, 539302), (78, 269651)]