21906250

素因数分解:

$2^1\times 5^6\times {\mathrm{701}}^1$

素因数の和:733

約数の個数: 28

約数和(自身を含む): 41132286

約数和(自身を除く): 19226036

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 701, 1250, 1402, 3125, 3505, 6250, 7010, 15625, 17525, 31250, 35050, 87625, 175250, 438125, 876250, 2190625, 4381250, 10953125, 21906250]

約数ペア:

[(1, 21906250), (2, 10953125), (5, 4381250), (10, 2190625), (25, 876250), (50, 438125), (125, 175250), (250, 87625), (625, 35050), (701, 31250), (1250, 17525), (1402, 15625), (3125, 7010), (3505, 6250)]