21426084

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 56888832

約数和(自身を除く): 35462748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 73, 93, 124, 146, 186, 219, 263, 279, 292, 372, 438, 526, 558, 657, 789, 876, 1052, 1116, 1314, 1578, 2263, 2367, 2628, 3156, 4526, 4734, 6789, 8153, 9052, 9468, 13578, 16306, 19199, 20367, 24459, 27156, 32612, 38398, 40734, 48918, 57597, 73377, 76796, 81468, 97836, 115194, 146754, 172791, 230388, 293508, 345582, 595169, 691164, 1190338, 1785507, 2380676, 3571014, 5356521, 7142028, 10713042, 21426084]

約数ペア:

[(1, 21426084), (2, 10713042), (3, 7142028), (4, 5356521), (6, 3571014), (9, 2380676), (12, 1785507), (18, 1190338), (31, 691164), (36, 595169), (62, 345582), (73, 293508), (93, 230388), (124, 172791), (146, 146754), (186, 115194), (219, 97836), (263, 81468), (279, 76796), (292, 73377), (372, 57597), (438, 48918), (526, 40734), (558, 38398), (657, 32612), (789, 27156), (876, 24459), (1052, 20367), (1116, 19199), (1314, 16306), (1578, 13578), (2263, 9468), (2367, 9052), (2628, 8153), (3156, 6789), (4526, 4734)]