21504186

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1621}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 51618528

約数和(自身を除く): 30114342

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 67, 99, 134, 198, 201, 402, 603, 737, 1206, 1474, 1621, 2211, 3242, 4422, 4863, 6633, 9726, 13266, 14589, 17831, 29178, 35662, 53493, 106986, 108607, 160479, 217214, 320958, 325821, 651642, 977463, 1194677, 1954926, 2389354, 3584031, 7168062, 10752093, 21504186]

約数ペア:

[(1, 21504186), (2, 10752093), (3, 7168062), (6, 3584031), (9, 2389354), (11, 1954926), (18, 1194677), (22, 977463), (33, 651642), (66, 325821), (67, 320958), (99, 217214), (134, 160479), (198, 108607), (201, 106986), (402, 53493), (603, 35662), (737, 29178), (1206, 17831), (1474, 14589), (1621, 13266), (2211, 9726), (3242, 6633), (4422, 4863)]