21432944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103043}}^1$

素因数の和:103064

約数の個数: 20

約数和(自身を含む): 44721096

約数和(自身を除く): 23288152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 103043, 206086, 412172, 824344, 1339559, 1648688, 2679118, 5358236, 10716472, 21432944]

約数ペア:

[(1, 21432944), (2, 10716472), (4, 5358236), (8, 2679118), (13, 1648688), (16, 1339559), (26, 824344), (52, 412172), (104, 206086), (208, 103043)]