21183228

素因数分解:

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

素因数の和:1656

約数の個数: 72

約数和(自身を含む): 60403280

約数和(自身を除く): 39220052

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 121, 132, 198, 242, 297, 363, 396, 484, 594, 726, 1089, 1188, 1452, 1621, 2178, 3242, 3267, 4356, 4863, 6484, 6534, 9726, 13068, 14589, 17831, 19452, 29178, 35662, 43767, 53493, 58356, 71324, 87534, 106986, 160479, 175068, 196141, 213972, 320958, 392282, 481437, 588423, 641916, 784564, 962874, 1176846, 1765269, 1925748, 2353692, 3530538, 5295807, 7061076, 10591614, 21183228]

約数ペア:

[(1, 21183228), (2, 10591614), (3, 7061076), (4, 5295807), (6, 3530538), (9, 2353692), (11, 1925748), (12, 1765269), (18, 1176846), (22, 962874), (27, 784564), (33, 641916), (36, 588423), (44, 481437), (54, 392282), (66, 320958), (99, 213972), (108, 196141), (121, 175068), (132, 160479), (198, 106986), (242, 87534), (297, 71324), (363, 58356), (396, 53493), (484, 43767), (594, 35662), (726, 29178), (1089, 19452), (1188, 17831), (1452, 14589), (1621, 13068), (2178, 9726), (3242, 6534), (3267, 6484), (4356, 4863)]