21197694

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72101}}^1$

素因数の和:72120

約数の個数: 24

約数和(自身を含む): 49317768

約数和(自身を除く): 28120074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72101, 144202, 216303, 432606, 504707, 1009414, 1514121, 3028242, 3532949, 7065898, 10598847, 21197694]

約数ペア:

[(1, 21197694), (2, 10598847), (3, 7065898), (6, 3532949), (7, 3028242), (14, 1514121), (21, 1009414), (42, 504707), (49, 432606), (98, 216303), (147, 144202), (294, 72101)]