21132400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2297}}^1$

素因数の和:2338

約数の個数: 60

約数和(自身を含む): 53001072

約数和(自身を除く): 31868672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2297, 2300, 4594, 4600, 9188, 9200, 11485, 18376, 22970, 36752, 45940, 52831, 57425, 91880, 105662, 114850, 183760, 211324, 229700, 264155, 422648, 459400, 528310, 845296, 918800, 1056620, 1320775, 2113240, 2641550, 4226480, 5283100, 10566200, 21132400]

約数ペア:

[(1, 21132400), (2, 10566200), (4, 5283100), (5, 4226480), (8, 2641550), (10, 2113240), (16, 1320775), (20, 1056620), (23, 918800), (25, 845296), (40, 528310), (46, 459400), (50, 422648), (80, 264155), (92, 229700), (100, 211324), (115, 183760), (184, 114850), (200, 105662), (230, 91880), (368, 57425), (400, 52831), (460, 45940), (575, 36752), (920, 22970), (1150, 18376), (1840, 11485), (2297, 9200), (2300, 9188), (4594, 4600)]