21495348

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28433}}^1$

素因数の和:28453

約数の個数: 48

約数和(自身を含む): 63692160

約数和(自身を除く): 42196812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28433, 56866, 85299, 113732, 170598, 199031, 255897, 341196, 398062, 511794, 597093, 767691, 796124, 1023588, 1194186, 1535382, 1791279, 2388372, 3070764, 3582558, 5373837, 7165116, 10747674, 21495348]

約数ペア:

[(1, 21495348), (2, 10747674), (3, 7165116), (4, 5373837), (6, 3582558), (7, 3070764), (9, 2388372), (12, 1791279), (14, 1535382), (18, 1194186), (21, 1023588), (27, 796124), (28, 767691), (36, 597093), (42, 511794), (54, 398062), (63, 341196), (84, 255897), (108, 199031), (126, 170598), (189, 113732), (252, 85299), (378, 56866), (756, 28433)]