21018888

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26539}}^1$

素因数の和:26562

約数の個数: 48

約数和(自身を含む): 62103600

約数和(自身を除く): 41084712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26539, 53078, 79617, 106156, 159234, 212312, 238851, 291929, 318468, 477702, 583858, 636936, 875787, 955404, 1167716, 1751574, 1910808, 2335432, 2627361, 3503148, 5254722, 7006296, 10509444, 21018888]

約数ペア:

[(1, 21018888), (2, 10509444), (3, 7006296), (4, 5254722), (6, 3503148), (8, 2627361), (9, 2335432), (11, 1910808), (12, 1751574), (18, 1167716), (22, 955404), (24, 875787), (33, 636936), (36, 583858), (44, 477702), (66, 318468), (72, 291929), (88, 238851), (99, 212312), (132, 159234), (198, 106156), (264, 79617), (396, 53078), (792, 26539)]