21954180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365903}}^1$

素因数の和:365915

約数の個数: 24

約数和(自身を含む): 61471872

約数和(自身を除く): 39517692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365903, 731806, 1097709, 1463612, 1829515, 2195418, 3659030, 4390836, 5488545, 7318060, 10977090, 21954180]

約数ペア:

[(1, 21954180), (2, 10977090), (3, 7318060), (4, 5488545), (5, 4390836), (6, 3659030), (10, 2195418), (12, 1829515), (15, 1463612), (20, 1097709), (30, 731806), (60, 365903)]