21294225

素因数分解:

$3^3\times 5^2\times {\mathrm{31547}}^1$

素因数の和:31566

約数の個数: 24

約数和(自身を含む): 39119520

約数和(自身を除く): 17825295

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31547, 94641, 157735, 283923, 473205, 788675, 851769, 1419615, 2366025, 4258845, 7098075, 21294225]

約数ペア:

[(1, 21294225), (3, 7098075), (5, 4258845), (9, 2366025), (15, 1419615), (25, 851769), (27, 788675), (45, 473205), (75, 283923), (135, 157735), (225, 94641), (675, 31547)]