21558912

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2481

約数の個数: 64

約数和(自身を含む): 59780160

約数和(自身を除く): 38221248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2208, 2441, 2944, 4416, 4882, 7323, 8832, 9764, 14646, 19528, 29292, 39056, 56143, 58584, 78112, 112286, 117168, 156224, 168429, 224572, 234336, 312448, 336858, 449144, 468672, 673716, 898288, 937344, 1347432, 1796576, 2694864, 3593152, 5389728, 7186304, 10779456, 21558912]

約数ペア:

[(1, 21558912), (2, 10779456), (3, 7186304), (4, 5389728), (6, 3593152), (8, 2694864), (12, 1796576), (16, 1347432), (23, 937344), (24, 898288), (32, 673716), (46, 468672), (48, 449144), (64, 336858), (69, 312448), (92, 234336), (96, 224572), (128, 168429), (138, 156224), (184, 117168), (192, 112286), (276, 78112), (368, 58584), (384, 56143), (552, 39056), (736, 29292), (1104, 19528), (1472, 14646), (2208, 9764), (2441, 8832), (2944, 7323), (4416, 4882)]