21828464

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6287}}^1$

素因数の和:6333

約数の個数: 40

約数和(自身を含む): 49901568

約数和(自身を除く): 28073104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6287, 12574, 25148, 44009, 50296, 88018, 100592, 176036, 194897, 352072, 389794, 704144, 779588, 1364279, 1559176, 2728558, 3118352, 5457116, 10914232, 21828464]

約数ペア:

[(1, 21828464), (2, 10914232), (4, 5457116), (7, 3118352), (8, 2728558), (14, 1559176), (16, 1364279), (28, 779588), (31, 704144), (56, 389794), (62, 352072), (112, 194897), (124, 176036), (217, 100592), (248, 88018), (434, 50296), (496, 44009), (868, 25148), (1736, 12574), (3472, 6287)]