21199468

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1759}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 39029760

約数和(自身を除く): 17830292

約数列:

[1, 2, 4, 23, 46, 92, 131, 262, 524, 1759, 3013, 3518, 6026, 7036, 12052, 40457, 80914, 161828, 230429, 460858, 921716, 5299867, 10599734, 21199468]

約数ペア:

[(1, 21199468), (2, 10599734), (4, 5299867), (23, 921716), (46, 460858), (92, 230429), (131, 161828), (262, 80914), (524, 40457), (1759, 12052), (3013, 7036), (3518, 6026)]