21000944838

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81399011}}^1$

素因数の和:81399059

約数の個数: 16

約数和(自身を含む): 42978678336

約数和(自身を除く): 21977733498

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81399011, 162798022, 244197033, 488394066, 3500157473, 7000314946, 10500472419, 21000944838]

約数ペア:

[(1, 21000944838), (2, 10500472419), (3, 7000314946), (6, 3500157473), (43, 488394066), (86, 244197033), (129, 162798022), (258, 81399011)]