21928100

素因数分解:

$2^2\times 5^2\times {\mathrm{219281}}^1$

素因数の和:219295

約数の個数: 18

約数和(自身を含む): 47584194

約数和(自身を除く): 25656094

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 219281, 438562, 877124, 1096405, 2192810, 4385620, 5482025, 10964050, 21928100]

約数ペア:

[(1, 21928100), (2, 10964050), (4, 5482025), (5, 4385620), (10, 2192810), (20, 1096405), (25, 877124), (50, 438562), (100, 219281)]