21080590958

素因数分解:

$2^1\times 7^2\times {\mathrm{619}}^1\times {\mathrm{347509}}^1$

素因数の和:348144

約数の個数: 24

約数和(自身を含む): 36843010200

約数和(自身を除く): 15762419242

約数列:

[1, 2, 7, 14, 49, 98, 619, 1238, 4333, 8666, 30331, 60662, 347509, 695018, 2432563, 4865126, 17027941, 34055882, 215108071, 430216142, 1505756497, 3011512994, 10540295479, 21080590958]

約数ペア:

[(1, 21080590958), (2, 10540295479), (7, 3011512994), (14, 1505756497), (49, 430216142), (98, 215108071), (619, 34055882), (1238, 17027941), (4333, 4865126), (8666, 2432563), (30331, 695018), (60662, 347509)]