21393824

素因数分解:

$2^5\times {\mathrm{271}}^1\times {\mathrm{2467}}^1$

素因数の和:2748

約数の個数: 24

約数和(自身を含む): 42291648

約数和(自身を除く): 20897824

約数列:

[1, 2, 4, 8, 16, 32, 271, 542, 1084, 2168, 2467, 4336, 4934, 8672, 9868, 19736, 39472, 78944, 668557, 1337114, 2674228, 5348456, 10696912, 21393824]

約数ペア:

[(1, 21393824), (2, 10696912), (4, 5348456), (8, 2674228), (16, 1337114), (32, 668557), (271, 78944), (542, 39472), (1084, 19736), (2168, 9868), (2467, 8672), (4336, 4934)]