21526096

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9679}}^1$

素因数の和:9826

約数の個数: 20

約数和(自身を含む): 42011200

約数和(自身を除く): 20485104

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9679, 19358, 38716, 77432, 154864, 1345381, 2690762, 5381524, 10763048, 21526096]

約数ペア:

[(1, 21526096), (2, 10763048), (4, 5381524), (8, 2690762), (16, 1345381), (139, 154864), (278, 77432), (556, 38716), (1112, 19358), (2224, 9679)]