21362312

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65129}}^1$

素因数の和:65176

約数の個数: 16

約数和(自身を含む): 41031900

約数和(自身を除く): 19669588

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65129, 130258, 260516, 521032, 2670289, 5340578, 10681156, 21362312]

約数ペア:

[(1, 21362312), (2, 10681156), (4, 5340578), (8, 2670289), (41, 521032), (82, 260516), (164, 130258), (328, 65129)]