221285778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{5268709}}^1$

素因数の和:5268721

約数の個数: 16

約数和(自身を含む): 505796160

約数和(自身を除く): 284510382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 5268709, 10537418, 15806127, 31612254, 36880963, 73761926, 110642889, 221285778]

約数ペア:

[(1, 221285778), (2, 110642889), (3, 73761926), (6, 36880963), (7, 31612254), (14, 15806127), (21, 10537418), (42, 5268709)]