21499424

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39521}}^1$

素因数の和:39548

約数の個数: 24

約数和(自身を含む): 44817948

約数和(自身を除く): 23318524

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39521, 79042, 158084, 316168, 632336, 671857, 1264672, 1343714, 2687428, 5374856, 10749712, 21499424]

約数ペア:

[(1, 21499424), (2, 10749712), (4, 5374856), (8, 2687428), (16, 1343714), (17, 1264672), (32, 671857), (34, 632336), (68, 316168), (136, 158084), (272, 79042), (544, 39521)]