21890350

素因数分解:

$2^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{1879}}^1$

素因数の和:2124

約数の個数: 24

約数和(自身を含む): 40912560

約数和(自身を除く): 19022210

約数列:

[1, 2, 5, 10, 25, 50, 233, 466, 1165, 1879, 2330, 3758, 5825, 9395, 11650, 18790, 46975, 93950, 437807, 875614, 2189035, 4378070, 10945175, 21890350]

約数ペア:

[(1, 21890350), (2, 10945175), (5, 4378070), (10, 2189035), (25, 875614), (50, 437807), (233, 93950), (466, 46975), (1165, 18790), (1879, 11650), (2330, 9395), (3758, 5825)]