21493288

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{57163}}^1$

素因数の和:57216

約数の個数: 16

約数和(自身を含む): 41158080

約数和(自身を除く): 19664792

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 57163, 114326, 228652, 457304, 2686661, 5373322, 10746644, 21493288]

約数ペア:

[(1, 21493288), (2, 10746644), (4, 5373322), (8, 2686661), (47, 457304), (94, 228652), (188, 114326), (376, 57163)]