21044828

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12739}}^1$

素因数の和:12809

約数の個数: 24

約数和(自身を含む): 42806400

約数和(自身を除く): 21761572

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12739, 25478, 50956, 89173, 178346, 356692, 751601, 1503202, 3006404, 5261207, 10522414, 21044828]

約数ペア:

[(1, 21044828), (2, 10522414), (4, 5261207), (7, 3006404), (14, 1503202), (28, 751601), (59, 356692), (118, 178346), (236, 89173), (413, 50956), (826, 25478), (1652, 12739)]