21798854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141551}}^1$

素因数の和:141571

約数の個数: 16

約数和(自身を含む): 40766976

約数和(自身を除く): 18968122

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141551, 283102, 990857, 1557061, 1981714, 3114122, 10899427, 21798854]

約数ペア:

[(1, 21798854), (2, 10899427), (7, 3114122), (11, 1981714), (14, 1557061), (22, 990857), (77, 283102), (154, 141551)]