21394265

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 4836775

約数列:

[1, 5, 89, 131, 367, 445, 655, 1835, 11659, 32663, 48077, 58295, 163315, 240385, 4278853, 21394265]

約数ペア:

[(1, 21394265), (5, 4278853), (89, 240385), (131, 163315), (367, 58295), (445, 48077), (655, 32663), (1835, 11659)]