21223648418

素因数分解:

$2^1\times 7^3\times {\mathrm{157}}^1\times {\mathrm{197059}}^1$

素因数の和:197239

約数の個数: 32

約数和(自身を含む): 37362576000

約数和(自身を除く): 16138927582

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 343, 686, 1099, 2198, 7693, 15386, 53851, 107702, 197059, 394118, 1379413, 2758826, 9655891, 19311782, 30938263, 61876526, 67591237, 135182474, 216567841, 433135682, 1515974887, 3031949774, 10611824209, 21223648418]

約数ペア:

[(1, 21223648418), (2, 10611824209), (7, 3031949774), (14, 1515974887), (49, 433135682), (98, 216567841), (157, 135182474), (314, 67591237), (343, 61876526), (686, 30938263), (1099, 19311782), (2198, 9655891), (7693, 2758826), (15386, 1379413), (53851, 394118), (107702, 197059)]