21243552

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20117}}^1$

素因数の和:20141

約数の個数: 48

約数和(自身を含む): 60836832

約数和(自身を除く): 39593280

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20117, 40234, 60351, 80468, 120702, 160936, 221287, 241404, 321872, 442574, 482808, 643744, 663861, 885148, 965616, 1327722, 1770296, 1931232, 2655444, 3540592, 5310888, 7081184, 10621776, 21243552]

約数ペア:

[(1, 21243552), (2, 10621776), (3, 7081184), (4, 5310888), (6, 3540592), (8, 2655444), (11, 1931232), (12, 1770296), (16, 1327722), (22, 965616), (24, 885148), (32, 663861), (33, 643744), (44, 482808), (48, 442574), (66, 321872), (88, 241404), (96, 221287), (132, 160936), (176, 120702), (264, 80468), (352, 60351), (528, 40234), (1056, 20117)]