21006675

素因数分解:

$3^3\times 5^2\times {\mathrm{31121}}^1$

素因数の和:31140

約数の個数: 24

約数和(自身を含む): 38591280

約数和(自身を除く): 17584605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31121, 93363, 155605, 280089, 466815, 778025, 840267, 1400445, 2334075, 4201335, 7002225, 21006675]

約数ペア:

[(1, 21006675), (3, 7002225), (5, 4201335), (9, 2334075), (15, 1400445), (25, 840267), (27, 778025), (45, 466815), (75, 280089), (135, 155605), (225, 93363), (675, 31121)]