21440488

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{62327}}^1$

素因数の和:62376

約数の個数: 16

約数和(自身を含む): 41136480

約数和(自身を除く): 19695992

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 62327, 124654, 249308, 498616, 2680061, 5360122, 10720244, 21440488]

約数ペア:

[(1, 21440488), (2, 10720244), (4, 5360122), (8, 2680061), (43, 498616), (86, 249308), (172, 124654), (344, 62327)]