21244232

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19882168

約数列:

[1, 2, 4, 8, 41, 82, 164, 239, 271, 328, 478, 542, 956, 1084, 1912, 2168, 9799, 11111, 19598, 22222, 39196, 44444, 64769, 78392, 88888, 129538, 259076, 518152, 2655529, 5311058, 10622116, 21244232]

約数ペア:

[(1, 21244232), (2, 10622116), (4, 5311058), (8, 2655529), (41, 518152), (82, 259076), (164, 129538), (239, 88888), (271, 78392), (328, 64769), (478, 44444), (542, 39196), (956, 22222), (1084, 19598), (1912, 11111), (2168, 9799)]