21716301

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{907}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 30334464

約数和(自身を除く): 8618163

約数列:

[1, 3, 23, 69, 347, 907, 1041, 2721, 7981, 20861, 23943, 62583, 314729, 944187, 7238767, 21716301]

約数ペア:

[(1, 21716301), (3, 7238767), (23, 944187), (69, 314729), (347, 62583), (907, 23943), (1041, 20861), (2721, 7981)]