21353264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70241}}^1$

素因数の和:70268

約数の個数: 20

約数和(自身を含む): 43550040

約数和(自身を除く): 22196776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70241, 140482, 280964, 561928, 1123856, 1334579, 2669158, 5338316, 10676632, 21353264]

約数ペア:

[(1, 21353264), (2, 10676632), (4, 5338316), (8, 2669158), (16, 1334579), (19, 1123856), (38, 561928), (76, 280964), (152, 140482), (304, 70241)]