21633380

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1901}}^1$

素因数の和:2479

約数の個数: 24

約数和(自身を含む): 45533880

約数和(自身を除く): 23900500

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 1901, 2276, 2845, 3802, 5690, 7604, 9505, 11380, 19010, 38020, 1081669, 2163338, 4326676, 5408345, 10816690, 21633380]

約数ペア:

[(1, 21633380), (2, 10816690), (4, 5408345), (5, 4326676), (10, 2163338), (20, 1081669), (569, 38020), (1138, 19010), (1901, 11380), (2276, 9505), (2845, 7604), (3802, 5690)]