21475874

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8867}}^1$

素因数の和:9049

約数の個数: 16

約数和(自身を含む): 37032768

約数和(自身を除く): 15556894

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 8867, 17734, 62069, 124138, 1533991, 3067982, 10737937, 21475874]

約数ペア:

[(1, 21475874), (2, 10737937), (7, 3067982), (14, 1533991), (173, 124138), (346, 62069), (1211, 17734), (2422, 8867)]