21617824

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16477}}^1$

素因数の和:16528

約数の個数: 24

約数和(自身を含む): 43600788

約数和(自身を除く): 21982964

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16477, 32954, 65908, 131816, 263632, 527264, 675557, 1351114, 2702228, 5404456, 10808912, 21617824]

約数ペア:

[(1, 21617824), (2, 10808912), (4, 5404456), (8, 2702228), (16, 1351114), (32, 675557), (41, 527264), (82, 263632), (164, 131816), (328, 65908), (656, 32954), (1312, 16477)]