21588525

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{1523}}^1$

素因数の和:1552

約数の個数: 60

約数和(自身を含む): 45732192

約数和(自身を除く): 24143667

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 945, 1523, 1575, 2025, 2835, 4569, 4725, 7615, 10661, 13707, 14175, 22845, 31983, 38075, 41121, 53305, 68535, 95949, 114225, 123363, 159915, 205605, 266525, 287847, 342675, 479745, 616815, 799575, 863541, 1028025, 1439235, 2398725, 3084075, 4317705, 7196175, 21588525]

約数ペア:

[(1, 21588525), (3, 7196175), (5, 4317705), (7, 3084075), (9, 2398725), (15, 1439235), (21, 1028025), (25, 863541), (27, 799575), (35, 616815), (45, 479745), (63, 342675), (75, 287847), (81, 266525), (105, 205605), (135, 159915), (175, 123363), (189, 114225), (225, 95949), (315, 68535), (405, 53305), (525, 41121), (567, 38075), (675, 31983), (945, 22845), (1523, 14175), (1575, 13707), (2025, 10661), (2835, 7615), (4569, 4725)]