21905150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{15107}}^1$

素因数の和:15148

約数の個数: 24

約数和(自身を含む): 42151320

約数和(自身を除く): 20246170

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 15107, 30214, 75535, 151070, 377675, 438103, 755350, 876206, 2190515, 4381030, 10952575, 21905150]

約数ペア:

[(1, 21905150), (2, 10952575), (5, 4381030), (10, 2190515), (25, 876206), (29, 755350), (50, 438103), (58, 377675), (145, 151070), (290, 75535), (725, 30214), (1450, 15107)]