21000907982

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{1071803}}^1$

素因数の和:1072003

約数の個数: 16

約数和(自身を含む): 32141258352

約数和(自身を除く): 11140350370

約数列:

[1, 2, 97, 101, 194, 202, 9797, 19594, 1071803, 2143606, 103964891, 108252103, 207929782, 216504206, 10500453991, 21000907982]

約数ペア:

[(1, 21000907982), (2, 10500453991), (97, 216504206), (101, 207929782), (194, 108252103), (202, 103964891), (9797, 2143606), (19594, 1071803)]