21024225

素因数分解:

$3^3\times 5^2\times {\mathrm{31147}}^1$

素因数の和:31166

約数の個数: 24

約数和(自身を含む): 38623520

約数和(自身を除く): 17599295

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31147, 93441, 155735, 280323, 467205, 778675, 840969, 1401615, 2336025, 4204845, 7008075, 21024225]

約数ペア:

[(1, 21024225), (3, 7008075), (5, 4204845), (9, 2336025), (15, 1401615), (25, 840969), (27, 778675), (45, 467205), (75, 280323), (135, 155735), (225, 93441), (675, 31147)]