21296566

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{6481}}^1$

素因数の和:6567

約数の個数: 16

約数和(自身を含む): 33602688

約数和(自身を除く): 12306122

約数列:

[1, 2, 31, 53, 62, 106, 1643, 3286, 6481, 12962, 200911, 343493, 401822, 686986, 10648283, 21296566]

約数ペア:

[(1, 21296566), (2, 10648283), (31, 686986), (53, 401822), (62, 343493), (106, 200911), (1643, 12962), (3286, 6481)]