21820568

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35423}}^1$

素因数の和:35447

約数の個数: 32

約数和(自身を含む): 51010560

約数和(自身を除く): 29189992

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 35423, 70846, 141692, 247961, 283384, 389653, 495922, 779306, 991844, 1558612, 1983688, 2727571, 3117224, 5455142, 10910284, 21820568]

約数ペア:

[(1, 21820568), (2, 10910284), (4, 5455142), (7, 3117224), (8, 2727571), (11, 1983688), (14, 1558612), (22, 991844), (28, 779306), (44, 495922), (56, 389653), (77, 283384), (88, 247961), (154, 141692), (308, 70846), (616, 35423)]