21435552

素因数分解:

$2^5\times 3^2\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:562

約数の個数: 72

約数和(自身を含む): 61405344

約数和(自身を除く): 39969792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 263, 283, 288, 526, 566, 789, 849, 1052, 1132, 1578, 1698, 2104, 2264, 2367, 2547, 3156, 3396, 4208, 4528, 4734, 5094, 6312, 6792, 8416, 9056, 9468, 10188, 12624, 13584, 18936, 20376, 25248, 27168, 37872, 40752, 74429, 75744, 81504, 148858, 223287, 297716, 446574, 595432, 669861, 893148, 1190864, 1339722, 1786296, 2381728, 2679444, 3572592, 5358888, 7145184, 10717776, 21435552]

約数ペア:

[(1, 21435552), (2, 10717776), (3, 7145184), (4, 5358888), (6, 3572592), (8, 2679444), (9, 2381728), (12, 1786296), (16, 1339722), (18, 1190864), (24, 893148), (32, 669861), (36, 595432), (48, 446574), (72, 297716), (96, 223287), (144, 148858), (263, 81504), (283, 75744), (288, 74429), (526, 40752), (566, 37872), (789, 27168), (849, 25248), (1052, 20376), (1132, 18936), (1578, 13584), (1698, 12624), (2104, 10188), (2264, 9468), (2367, 9056), (2547, 8416), (3156, 6792), (3396, 6312), (4208, 5094), (4528, 4734)]