21498736

素因数分解:

$2^4\times 7^1\times {\mathrm{191953}}^1$

素因数の和:191968

約数の個数: 20

約数和(自身を含む): 47604592

約数和(自身を除く): 26105856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191953, 383906, 767812, 1343671, 1535624, 2687342, 3071248, 5374684, 10749368, 21498736]

約数ペア:

[(1, 21498736), (2, 10749368), (4, 5374684), (7, 3071248), (8, 2687342), (14, 1535624), (16, 1343671), (28, 767812), (56, 383906), (112, 191953)]