21505824

素因数分解:

$2^5\times 3^4\times {\mathrm{8297}}^1$

素因数の和:8319

約数の個数: 60

約数和(自身を含む): 63255654

約数和(自身を除く): 41749830

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 8297, 16594, 24891, 33188, 49782, 66376, 74673, 99564, 132752, 149346, 199128, 224019, 265504, 298692, 398256, 448038, 597384, 672057, 796512, 896076, 1194768, 1344114, 1792152, 2389536, 2688228, 3584304, 5376456, 7168608, 10752912, 21505824]

約数ペア:

[(1, 21505824), (2, 10752912), (3, 7168608), (4, 5376456), (6, 3584304), (8, 2688228), (9, 2389536), (12, 1792152), (16, 1344114), (18, 1194768), (24, 896076), (27, 796512), (32, 672057), (36, 597384), (48, 448038), (54, 398256), (72, 298692), (81, 265504), (96, 224019), (108, 199128), (144, 149346), (162, 132752), (216, 99564), (288, 74673), (324, 66376), (432, 49782), (648, 33188), (864, 24891), (1296, 16594), (2592, 8297)]