21204070

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9341}}^1$

素因数の和:9575

約数の個数: 16

約数和(自身を含む): 38339568

約数和(自身を除く): 17135498

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 9341, 18682, 46705, 93410, 2120407, 4240814, 10602035, 21204070]

約数ペア:

[(1, 21204070), (2, 10602035), (5, 4240814), (10, 2120407), (227, 93410), (454, 46705), (1135, 18682), (2270, 9341)]