21000620162

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{72251}}^1\times {\mathrm{7649}}^1$

素因数の和:79921

約数の個数: 16

約数和(自身を含む): 33163668000

約数和(自身を除く): 12163047838

約数列:

[1, 2, 19, 38, 7649, 15298, 72251, 144502, 145331, 290662, 1372769, 2745538, 552647899, 1105295798, 10500310081, 21000620162]

約数ペア:

[(1, 21000620162), (2, 10500310081), (19, 1105295798), (38, 552647899), (7649, 2745538), (15298, 1372769), (72251, 290662), (144502, 145331)]