21406392

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42473}}^1$

素因数の和:42492

約数の個数: 48

約数和(自身を含む): 66259440

約数和(自身を除く): 44853048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42473, 84946, 127419, 169892, 254838, 297311, 339784, 382257, 509676, 594622, 764514, 891933, 1019352, 1189244, 1529028, 1783866, 2378488, 2675799, 3058056, 3567732, 5351598, 7135464, 10703196, 21406392]

約数ペア:

[(1, 21406392), (2, 10703196), (3, 7135464), (4, 5351598), (6, 3567732), (7, 3058056), (8, 2675799), (9, 2378488), (12, 1783866), (14, 1529028), (18, 1189244), (21, 1019352), (24, 891933), (28, 764514), (36, 594622), (42, 509676), (56, 382257), (63, 339784), (72, 297311), (84, 254838), (126, 169892), (168, 127419), (252, 84946), (504, 42473)]