21578464

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16447}}^1$

素因数の和:16498

約数の個数: 24

約数和(自身を含む): 43521408

約数和(自身を除く): 21942944

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16447, 32894, 65788, 131576, 263152, 526304, 674327, 1348654, 2697308, 5394616, 10789232, 21578464]

約数ペア:

[(1, 21578464), (2, 10789232), (4, 5394616), (8, 2697308), (16, 1348654), (32, 674327), (41, 526304), (82, 263152), (164, 131576), (328, 65788), (656, 32894), (1312, 16447)]