21492486

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 50780160

約数和(自身を除く): 29287674

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 37, 54, 62, 74, 93, 111, 186, 222, 279, 333, 347, 558, 666, 694, 837, 999, 1041, 1147, 1674, 1998, 2082, 2294, 3123, 3441, 6246, 6882, 9369, 10323, 10757, 12839, 18738, 20646, 21514, 25678, 30969, 32271, 38517, 61938, 64542, 77034, 96813, 115551, 193626, 231102, 290439, 346653, 398009, 580878, 693306, 796018, 1194027, 2388054, 3582081, 7164162, 10746243, 21492486]

約数ペア:

[(1, 21492486), (2, 10746243), (3, 7164162), (6, 3582081), (9, 2388054), (18, 1194027), (27, 796018), (31, 693306), (37, 580878), (54, 398009), (62, 346653), (74, 290439), (93, 231102), (111, 193626), (186, 115551), (222, 96813), (279, 77034), (333, 64542), (347, 61938), (558, 38517), (666, 32271), (694, 30969), (837, 25678), (999, 21514), (1041, 20646), (1147, 18738), (1674, 12839), (1998, 10757), (2082, 10323), (2294, 9369), (3123, 6882), (3441, 6246)]