21241386

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12689}}^1$

素因数の和:12731

約数の個数: 32

約数和(自身を含む): 48729600

約数和(自身を除く): 27488214

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12689, 25378, 38067, 76134, 114201, 228402, 342603, 393359, 685206, 786718, 1180077, 2360154, 3540231, 7080462, 10620693, 21241386]

約数ペア:

[(1, 21241386), (2, 10620693), (3, 7080462), (6, 3540231), (9, 2360154), (18, 1180077), (27, 786718), (31, 685206), (54, 393359), (62, 342603), (93, 228402), (186, 114201), (279, 76134), (558, 38067), (837, 25378), (1674, 12689)]