21504528

素因数分解:

$2^4\times 3^5\times {\mathrm{5531}}^1$

素因数の和:5554

約数の個数: 60

約数和(自身を含む): 62423088

約数和(自身を除く): 40918560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5531, 11062, 16593, 22124, 33186, 44248, 49779, 66372, 88496, 99558, 132744, 149337, 199116, 265488, 298674, 398232, 448011, 597348, 796464, 896022, 1194696, 1344033, 1792044, 2389392, 2688066, 3584088, 5376132, 7168176, 10752264, 21504528]

約数ペア:

[(1, 21504528), (2, 10752264), (3, 7168176), (4, 5376132), (6, 3584088), (8, 2688066), (9, 2389392), (12, 1792044), (16, 1344033), (18, 1194696), (24, 896022), (27, 796464), (36, 597348), (48, 448011), (54, 398232), (72, 298674), (81, 265488), (108, 199116), (144, 149337), (162, 132744), (216, 99558), (243, 88496), (324, 66372), (432, 49779), (486, 44248), (648, 33186), (972, 22124), (1296, 16593), (1944, 11062), (3888, 5531)]