21048434

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7907}}^1$

素因数の和:7942

約数の個数: 16

約数和(自身を含む): 34731936

約数和(自身を除く): 13683502

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7907, 15814, 86977, 173954, 956747, 1913494, 10524217, 21048434]

約数ペア:

[(1, 21048434), (2, 10524217), (11, 1913494), (22, 956747), (121, 173954), (242, 86977), (1331, 15814), (2662, 7907)]