21216276

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6337}}^1$

素因数の和:6381

約数の個数: 48

約数和(自身を含む): 56788480

約数和(自身を除く): 35572204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6337, 12674, 19011, 25348, 38022, 57033, 76044, 114066, 171099, 196447, 228132, 342198, 392894, 589341, 684396, 785788, 1178682, 1768023, 2357364, 3536046, 5304069, 7072092, 10608138, 21216276]

約数ペア:

[(1, 21216276), (2, 10608138), (3, 7072092), (4, 5304069), (6, 3536046), (9, 2357364), (12, 1768023), (18, 1178682), (27, 785788), (31, 684396), (36, 589341), (54, 392894), (62, 342198), (93, 228132), (108, 196447), (124, 171099), (186, 114066), (279, 76044), (372, 57033), (558, 38022), (837, 25348), (1116, 19011), (1674, 12674), (3348, 6337)]