21984588

素因数分解:

$2^2\times 3^3\times {\mathrm{251}}^1\times {\mathrm{811}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 57294720

約数和(自身を除く): 35310132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 251, 502, 753, 811, 1004, 1506, 1622, 2259, 2433, 3012, 3244, 4518, 4866, 6777, 7299, 9036, 9732, 13554, 14598, 21897, 27108, 29196, 43794, 87588, 203561, 407122, 610683, 814244, 1221366, 1832049, 2442732, 3664098, 5496147, 7328196, 10992294, 21984588]

約数ペア:

[(1, 21984588), (2, 10992294), (3, 7328196), (4, 5496147), (6, 3664098), (9, 2442732), (12, 1832049), (18, 1221366), (27, 814244), (36, 610683), (54, 407122), (108, 203561), (251, 87588), (502, 43794), (753, 29196), (811, 27108), (1004, 21897), (1506, 14598), (1622, 13554), (2259, 9732), (2433, 9036), (3012, 7299), (3244, 6777), (4518, 4866)]