21233032

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{857}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 42213600

約数和(自身を除く): 20980568

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 163, 326, 652, 857, 1304, 1714, 3097, 3428, 6194, 6856, 12388, 16283, 24776, 32566, 65132, 130264, 139691, 279382, 558764, 1117528, 2654129, 5308258, 10616516, 21233032]

約数ペア:

[(1, 21233032), (2, 10616516), (4, 5308258), (8, 2654129), (19, 1117528), (38, 558764), (76, 279382), (152, 139691), (163, 130264), (326, 65132), (652, 32566), (857, 24776), (1304, 16283), (1714, 12388), (3097, 6856), (3428, 6194)]