21200212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9091}}^1$

素因数の和:9159

約数の個数: 24

約数和(自身を含む): 41241312

約数和(自身を除く): 20041100

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9091, 18182, 36364, 100001, 200002, 400004, 481823, 963646, 1927292, 5300053, 10600106, 21200212]

約数ペア:

[(1, 21200212), (2, 10600106), (4, 5300053), (11, 1927292), (22, 963646), (44, 481823), (53, 400004), (106, 200002), (212, 100001), (583, 36364), (1166, 18182), (2332, 9091)]