21345400

素因数分解:

$2^3\times 5^2\times {\mathrm{106727}}^1$

素因数の和:106743

約数の個数: 24

約数和(自身を含む): 49628520

約数和(自身を除く): 28283120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106727, 213454, 426908, 533635, 853816, 1067270, 2134540, 2668175, 4269080, 5336350, 10672700, 21345400]

約数ペア:

[(1, 21345400), (2, 10672700), (4, 5336350), (5, 4269080), (8, 2668175), (10, 2134540), (20, 1067270), (25, 853816), (40, 533635), (50, 426908), (100, 213454), (200, 106727)]