21547946

素因数分解:

$2^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 16640854

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 311, 343, 622, 686, 707, 1414, 2177, 4354, 4949, 9898, 15239, 30478, 31411, 34643, 62822, 69286, 106673, 213346, 219877, 439754, 1539139, 3078278, 10773973, 21547946]

約数ペア:

[(1, 21547946), (2, 10773973), (7, 3078278), (14, 1539139), (49, 439754), (98, 219877), (101, 213346), (202, 106673), (311, 69286), (343, 62822), (622, 34643), (686, 31411), (707, 30478), (1414, 15239), (2177, 9898), (4354, 4949)]