21050650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9791}}^1$

素因数の和:9846

約数の個数: 24

約数和(自身を含む): 40068864

約数和(自身を除く): 19018214

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9791, 19582, 48955, 97910, 244775, 421013, 489550, 842026, 2105065, 4210130, 10525325, 21050650]

約数ペア:

[(1, 21050650), (2, 10525325), (5, 4210130), (10, 2105065), (25, 842026), (43, 489550), (50, 421013), (86, 244775), (215, 97910), (430, 48955), (1075, 19582), (2150, 9791)]