21496592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103349}}^1$

素因数の和:103370

約数の個数: 20

約数和(自身を含む): 44853900

約数和(自身を除く): 23357308

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 103349, 206698, 413396, 826792, 1343537, 1653584, 2687074, 5374148, 10748296, 21496592]

約数ペア:

[(1, 21496592), (2, 10748296), (4, 5374148), (8, 2687074), (13, 1653584), (16, 1343537), (26, 826792), (52, 413396), (104, 206698), (208, 103349)]