21659454

素因数分解:

$2^1\times 3^3\times {\mathrm{401101}}^1$

素因数の和:401112

約数の個数: 16

約数和(自身を含む): 48132240

約数和(自身を除く): 26472786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 401101, 802202, 1203303, 2406606, 3609909, 7219818, 10829727, 21659454]

約数ペア:

[(1, 21659454), (2, 10829727), (3, 7219818), (6, 3609909), (9, 2406606), (18, 1203303), (27, 802202), (54, 401101)]