21746516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{971}}^1$

素因数の和:1495

約数の個数: 24

約数和(自身を含む): 41640480

約数和(自身を除く): 19893964

約数列:

[1, 2, 4, 11, 22, 44, 509, 971, 1018, 1942, 2036, 3884, 5599, 10681, 11198, 21362, 22396, 42724, 494239, 988478, 1976956, 5436629, 10873258, 21746516]

約数ペア:

[(1, 21746516), (2, 10873258), (4, 5436629), (11, 1976956), (22, 988478), (44, 494239), (509, 42724), (971, 22396), (1018, 21362), (1942, 11198), (2036, 10681), (3884, 5599)]