21179454

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{121721}}^1$

素因数の和:121755

約数の個数: 16

約数和(自身を含む): 43819920

約数和(自身を除く): 22640466

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 121721, 243442, 365163, 730326, 3529909, 7059818, 10589727, 21179454]

約数ペア:

[(1, 21179454), (2, 10589727), (3, 7059818), (6, 3529909), (29, 730326), (58, 365163), (87, 243442), (174, 121721)]