21026925

素因数分解:

$3^3\times 5^2\times {\mathrm{31151}}^1$

素因数の和:31170

約数の個数: 24

約数和(自身を含む): 38628480

約数和(自身を除く): 17601555

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31151, 93453, 155755, 280359, 467265, 778775, 841077, 1401795, 2336325, 4205385, 7008975, 21026925]

約数ペア:

[(1, 21026925), (3, 7008975), (5, 4205385), (9, 2336325), (15, 1401795), (25, 841077), (27, 778775), (45, 467265), (75, 280359), (135, 155755), (225, 93453), (675, 31151)]