21417534

素因数分解:

$2^1\times 3^5\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 48642048

約数和(自身を除く): 27224514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 243, 254, 347, 381, 486, 694, 762, 1041, 1143, 2082, 2286, 3123, 3429, 6246, 6858, 9369, 10287, 18738, 20574, 28107, 30861, 44069, 56214, 61722, 84321, 88138, 132207, 168642, 264414, 396621, 793242, 1189863, 2379726, 3569589, 7139178, 10708767, 21417534]

約数ペア:

[(1, 21417534), (2, 10708767), (3, 7139178), (6, 3569589), (9, 2379726), (18, 1189863), (27, 793242), (54, 396621), (81, 264414), (127, 168642), (162, 132207), (243, 88138), (254, 84321), (347, 61722), (381, 56214), (486, 44069), (694, 30861), (762, 28107), (1041, 20574), (1143, 18738), (2082, 10287), (2286, 9369), (3123, 6858), (3429, 6246)]