21649012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70289}}^1$

素因数の和:70311

約数の個数: 24

約数和(自身を含む): 47234880

約数和(自身を除く): 25585868

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70289, 140578, 281156, 492023, 773179, 984046, 1546358, 1968092, 3092716, 5412253, 10824506, 21649012]

約数ペア:

[(1, 21649012), (2, 10824506), (4, 5412253), (7, 3092716), (11, 1968092), (14, 1546358), (22, 984046), (28, 773179), (44, 492023), (77, 281156), (154, 140578), (308, 70289)]