21618253

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 1767347

約数列:

[1, 29, 31, 139, 173, 899, 4031, 4309, 5017, 5363, 24047, 124961, 155527, 697363, 745457, 21618253]

約数ペア:

[(1, 21618253), (29, 745457), (31, 697363), (139, 155527), (173, 124961), (899, 24047), (4031, 5363), (4309, 5017)]