21685314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2447}}^1$

素因数の和:2670

約数の個数: 32

約数和(自身を含む): 49821696

約数和(自身を除く): 28136382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2447, 2954, 4431, 4894, 7341, 8862, 14682, 17129, 34258, 51387, 102774, 516317, 1032634, 1548951, 3097902, 3614219, 7228438, 10842657, 21685314]

約数ペア:

[(1, 21685314), (2, 10842657), (3, 7228438), (6, 3614219), (7, 3097902), (14, 1548951), (21, 1032634), (42, 516317), (211, 102774), (422, 51387), (633, 34258), (1266, 17129), (1477, 14682), (2447, 8862), (2954, 7341), (4431, 4894)]