21386912

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16301}}^1$

素因数の和:16352

約数の個数: 24

約数和(自身を含む): 43135092

約数和(自身を除く): 21748180

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16301, 32602, 65204, 130408, 260816, 521632, 668341, 1336682, 2673364, 5346728, 10693456, 21386912]

約数ペア:

[(1, 21386912), (2, 10693456), (4, 5346728), (8, 2673364), (16, 1336682), (32, 668341), (41, 521632), (82, 260816), (164, 130408), (328, 65204), (656, 32602), (1312, 16301)]