21037550

素因数分解:

$2^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{3313}}^1$

素因数の和:3452

約数の個数: 24

約数和(自身を含む): 39449856

約数和(自身を除く): 18412306

約数列:

[1, 2, 5, 10, 25, 50, 127, 254, 635, 1270, 3175, 3313, 6350, 6626, 16565, 33130, 82825, 165650, 420751, 841502, 2103755, 4207510, 10518775, 21037550]

約数ペア:

[(1, 21037550), (2, 10518775), (5, 4207510), (10, 2103755), (25, 841502), (50, 420751), (127, 165650), (254, 82825), (635, 33130), (1270, 16565), (3175, 6626), (3313, 6350)]