21264304

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28277}}^1$

素因数の和:28332

約数の個数: 20

約数和(自身を含む): 42077664

約数和(自身を除く): 20813360

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28277, 56554, 113108, 226216, 452432, 1329019, 2658038, 5316076, 10632152, 21264304]

約数ペア:

[(1, 21264304), (2, 10632152), (4, 5316076), (8, 2658038), (16, 1329019), (47, 452432), (94, 226216), (188, 113108), (376, 56554), (752, 28277)]