21700960

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5897}}^1$

素因数の和:5935

約数の個数: 48

約数和(自身を含む): 53506656

約数和(自身を除く): 31805696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5897, 11794, 23588, 29485, 47176, 58970, 94352, 117940, 135631, 188704, 235880, 271262, 471760, 542524, 678155, 943520, 1085048, 1356310, 2170096, 2712620, 4340192, 5425240, 10850480, 21700960]

約数ペア:

[(1, 21700960), (2, 10850480), (4, 5425240), (5, 4340192), (8, 2712620), (10, 2170096), (16, 1356310), (20, 1085048), (23, 943520), (32, 678155), (40, 542524), (46, 471760), (80, 271262), (92, 235880), (115, 188704), (160, 135631), (184, 117940), (230, 94352), (368, 58970), (460, 47176), (736, 29485), (920, 23588), (1840, 11794), (3680, 5897)]