21813856

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40099}}^1$

素因数の和:40126

約数の個数: 24

約数和(自身を含む): 45473400

約数和(自身を除く): 23659544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40099, 80198, 160396, 320792, 641584, 681683, 1283168, 1363366, 2726732, 5453464, 10906928, 21813856]

約数ペア:

[(1, 21813856), (2, 10906928), (4, 5453464), (8, 2726732), (16, 1363366), (17, 1283168), (32, 681683), (34, 641584), (68, 320792), (136, 160396), (272, 80198), (544, 40099)]