21045744

素因数分解:

$2^4\times 3^5\times {\mathrm{5413}}^1$

素因数の和:5436

約数の個数: 60

約数和(自身を含む): 61091576

約数和(自身を除く): 40045832

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, 5413, 10826, 16239, 21652, 32478, 43304, 48717, 64956, 86608, 97434, 129912, 146151, 194868, 259824, 292302, 389736, 438453, 584604, 779472, 876906, 1169208, 1315359, 1753812, 2338416, 2630718, 3507624, 5261436, 7015248, 10522872, 21045744]

約数ペア:

[(1, 21045744), (2, 10522872), (3, 7015248), (4, 5261436), (6, 3507624), (8, 2630718), (9, 2338416), (12, 1753812), (16, 1315359), (18, 1169208), (24, 876906), (27, 779472), (36, 584604), (48, 438453), (54, 389736), (72, 292302), (81, 259824), (108, 194868), (144, 146151), (162, 129912), (216, 97434), (243, 86608), (324, 64956), (432, 48717), (486, 43304), (648, 32478), (972, 21652), (1296, 16239), (1944, 10826), (3888, 5413)]