21355596

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2503}}^1$

素因数の和:2595

約数の個数: 48

約数和(自身を含む): 56089600

約数和(自身を除く): 34734004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2503, 2844, 4266, 5006, 7509, 8532, 10012, 15018, 22527, 30036, 45054, 67581, 90108, 135162, 197737, 270324, 395474, 593211, 790948, 1186422, 1779633, 2372844, 3559266, 5338899, 7118532, 10677798, 21355596]

約数ペア:

[(1, 21355596), (2, 10677798), (3, 7118532), (4, 5338899), (6, 3559266), (9, 2372844), (12, 1779633), (18, 1186422), (27, 790948), (36, 593211), (54, 395474), (79, 270324), (108, 197737), (158, 135162), (237, 90108), (316, 67581), (474, 45054), (711, 30036), (948, 22527), (1422, 15018), (2133, 10012), (2503, 8532), (2844, 7509), (4266, 5006)]