21107824

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45491}}^1$

素因数の和:45528

約数の個数: 20

約数和(自身を含む): 42307560

約数和(自身を除く): 21199736

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45491, 90982, 181964, 363928, 727856, 1319239, 2638478, 5276956, 10553912, 21107824]

約数ペア:

[(1, 21107824), (2, 10553912), (4, 5276956), (8, 2638478), (16, 1319239), (29, 727856), (58, 363928), (116, 181964), (232, 90982), (464, 45491)]