21488625

素因数分解:

$3^3\times 5^3\times {\mathrm{6367}}^1$

素因数の和:6391

約数の個数: 32

約数和(自身を含む): 39736320

約数和(自身を除く): 18247695

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6367, 19101, 31835, 57303, 95505, 159175, 171909, 286515, 477525, 795875, 859545, 1432575, 2387625, 4297725, 7162875, 21488625]

約数ペア:

[(1, 21488625), (3, 7162875), (5, 4297725), (9, 2387625), (15, 1432575), (25, 859545), (27, 795875), (45, 477525), (75, 286515), (125, 171909), (135, 159175), (225, 95505), (375, 57303), (675, 31835), (1125, 19101), (3375, 6367)]