21173616

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2171

約数の個数: 80

約数和(自身を含む): 63448320

約数和(自身を除く): 42274704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 184, 207, 216, 276, 368, 414, 432, 552, 621, 828, 1104, 1242, 1656, 2131, 2484, 3312, 4262, 4968, 6393, 8524, 9936, 12786, 17048, 19179, 25572, 34096, 38358, 49013, 51144, 57537, 76716, 98026, 102288, 115074, 147039, 153432, 196052, 230148, 294078, 306864, 392104, 441117, 460296, 588156, 784208, 882234, 920592, 1176312, 1323351, 1764468, 2352624, 2646702, 3528936, 5293404, 7057872, 10586808, 21173616]

約数ペア:

[(1, 21173616), (2, 10586808), (3, 7057872), (4, 5293404), (6, 3528936), (8, 2646702), (9, 2352624), (12, 1764468), (16, 1323351), (18, 1176312), (23, 920592), (24, 882234), (27, 784208), (36, 588156), (46, 460296), (48, 441117), (54, 392104), (69, 306864), (72, 294078), (92, 230148), (108, 196052), (138, 153432), (144, 147039), (184, 115074), (207, 102288), (216, 98026), (276, 76716), (368, 57537), (414, 51144), (432, 49013), (552, 38358), (621, 34096), (828, 25572), (1104, 19179), (1242, 17048), (1656, 12786), (2131, 9936), (2484, 8524), (3312, 6393), (4262, 4968)]