21495548

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1117}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 40006512

約数和(自身を除く): 18510964

約数列:

[1, 2, 4, 17, 34, 68, 283, 566, 1117, 1132, 2234, 4468, 4811, 9622, 18989, 19244, 37978, 75956, 316111, 632222, 1264444, 5373887, 10747774, 21495548]

約数ペア:

[(1, 21495548), (2, 10747774), (4, 5373887), (17, 1264444), (34, 632222), (68, 316111), (283, 75956), (566, 37978), (1117, 19244), (1132, 18989), (2234, 9622), (4468, 4811)]