21919444

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 39362400

約数和(自身を除く): 17442956

約数列:

[1, 2, 4, 59, 118, 131, 236, 262, 524, 709, 1418, 2836, 7729, 15458, 30916, 41831, 83662, 92879, 167324, 185758, 371516, 5479861, 10959722, 21919444]

約数ペア:

[(1, 21919444), (2, 10959722), (4, 5479861), (59, 371516), (118, 185758), (131, 167324), (236, 92879), (262, 83662), (524, 41831), (709, 30916), (1418, 15458), (2836, 7729)]