21198884

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26107}}^1$

素因数の和:26147

約数の個数: 24

約数和(自身を含む): 43861440

約数和(自身を除く): 22662556

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26107, 52214, 104428, 182749, 365498, 730996, 757103, 1514206, 3028412, 5299721, 10599442, 21198884]

約数ペア:

[(1, 21198884), (2, 10599442), (4, 5299721), (7, 3028412), (14, 1514206), (28, 757103), (29, 730996), (58, 365498), (116, 182749), (203, 104428), (406, 52214), (812, 26107)]