21031859519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1\times {\mathrm{2749}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 24548832000

約数和(自身を除く): 3516972481

約数列:

[1, 11, 17, 163, 187, 251, 1793, 2749, 2761, 2771, 4267, 30239, 30481, 40913, 46733, 46937, 448087, 450043, 514063, 689999, 695521, 4928957, 7589989, 7617479, 7650731, 11729983, 83792269, 112469837, 129029813, 1237168207, 1911987229, 21031859519]

約数ペア:

[(1, 21031859519), (11, 1911987229), (17, 1237168207), (163, 129029813), (187, 112469837), (251, 83792269), (1793, 11729983), (2749, 7650731), (2761, 7617479), (2771, 7589989), (4267, 4928957), (30239, 695521), (30481, 689999), (40913, 514063), (46733, 450043), (46937, 448087)]