21371882

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14821}}^1$

素因数の和:14933

約数の個数: 16

約数和(自身を含む): 36995712

約数和(自身を除く): 15623830

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 14821, 29642, 103747, 207494, 1526563, 3053126, 10685941, 21371882]

約数ペア:

[(1, 21371882), (2, 10685941), (7, 3053126), (14, 1526563), (103, 207494), (206, 103747), (721, 29642), (1442, 14821)]