21995552

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40433}}^1$

素因数の和:40460

約数の個数: 24

約数和(自身を含む): 45852156

約数和(自身を除く): 23856604

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40433, 80866, 161732, 323464, 646928, 687361, 1293856, 1374722, 2749444, 5498888, 10997776, 21995552]

約数ペア:

[(1, 21995552), (2, 10997776), (4, 5498888), (8, 2749444), (16, 1374722), (17, 1293856), (32, 687361), (34, 646928), (68, 323464), (136, 161732), (272, 80866), (544, 40433)]