21619758

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{953}}^1$

素因数の和:1176

約数の個数: 32

約数和(自身を含む): 45792000

約数和(自身を除く): 24172242

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 199, 398, 597, 953, 1194, 1906, 2859, 3781, 5718, 7562, 11343, 18107, 22686, 36214, 54321, 108642, 189647, 379294, 568941, 1137882, 3603293, 7206586, 10809879, 21619758]

約数ペア:

[(1, 21619758), (2, 10809879), (3, 7206586), (6, 3603293), (19, 1137882), (38, 568941), (57, 379294), (114, 189647), (199, 108642), (398, 54321), (597, 36214), (953, 22686), (1194, 18107), (1906, 11343), (2859, 7562), (3781, 5718)]