2131100

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 4692408

約数和(自身を除く): 2561308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 211, 404, 422, 505, 844, 1010, 1055, 2020, 2110, 2525, 4220, 5050, 5275, 10100, 10550, 21100, 21311, 42622, 85244, 106555, 213110, 426220, 532775, 1065550, 2131100]

約数ペア:

[(1, 2131100), (2, 1065550), (4, 532775), (5, 426220), (10, 213110), (20, 106555), (25, 85244), (50, 42622), (100, 21311), (101, 21100), (202, 10550), (211, 10100), (404, 5275), (422, 5050), (505, 4220), (844, 2525), (1010, 2110), (1055, 2020)]