21038097620

素因数分解:

$2^2\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{615509}}^1$

素因数の和:617227

約数の個数: 24

約数和(自身を含む): 44205928200

約数和(自身を除く): 23167830580

約数列:

[1, 2, 4, 5, 10, 20, 1709, 3418, 6836, 8545, 17090, 34180, 615509, 1231018, 2462036, 3077545, 6155090, 12310180, 1051904881, 2103809762, 4207619524, 5259524405, 10519048810, 21038097620]

約数ペア:

[(1, 21038097620), (2, 10519048810), (4, 5259524405), (5, 4207619524), (10, 2103809762), (20, 1051904881), (1709, 12310180), (3418, 6155090), (6836, 3077545), (8545, 2462036), (17090, 1231018), (34180, 615509)]