21567762

素因数分解:

$2^1\times 3^3\times {\mathrm{399403}}^1$

素因数の和:399414

約数の個数: 16

約数和(自身を含む): 47928480

約数和(自身を除く): 26360718

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399403, 798806, 1198209, 2396418, 3594627, 7189254, 10783881, 21567762]

約数ペア:

[(1, 21567762), (2, 10783881), (3, 7189254), (6, 3594627), (9, 2396418), (18, 1198209), (27, 798806), (54, 399403)]