21241364

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1307}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 39553920

約数和(自身を除く): 18312556

約数列:

[1, 2, 4, 17, 34, 68, 239, 478, 956, 1307, 2614, 4063, 5228, 8126, 16252, 22219, 44438, 88876, 312373, 624746, 1249492, 5310341, 10620682, 21241364]

約数ペア:

[(1, 21241364), (2, 10620682), (4, 5310341), (17, 1249492), (34, 624746), (68, 312373), (239, 88876), (478, 44438), (956, 22219), (1307, 16252), (2614, 8126), (4063, 5228)]