21025888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50543}}^1$

素因数の和:50566

約数の個数: 24

約数和(自身を含む): 44579808

約数和(自身を除く): 23553920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50543, 101086, 202172, 404344, 657059, 808688, 1314118, 1617376, 2628236, 5256472, 10512944, 21025888]

約数ペア:

[(1, 21025888), (2, 10512944), (4, 5256472), (8, 2628236), (13, 1617376), (16, 1314118), (26, 808688), (32, 657059), (52, 404344), (104, 202172), (208, 101086), (416, 50543)]