21558244

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{1097}}^1$

素因数の和:1152

約数の個数: 24

約数和(自身を含む): 40120920

約数和(自身を除く): 18562676

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1097, 1156, 2194, 4388, 4913, 9826, 18649, 19652, 37298, 74596, 317033, 634066, 1268132, 5389561, 10779122, 21558244]

約数ペア:

[(1, 21558244), (2, 10779122), (4, 5389561), (17, 1268132), (34, 634066), (68, 317033), (289, 74596), (578, 37298), (1097, 19652), (1156, 18649), (2194, 9826), (4388, 4913)]