21889035

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{1103}}^1$

素因数の和:1134

約数の個数: 60

約数和(自身を含む): 45685728

約数和(自身を除く): 23796693

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1103, 1323, 2205, 2835, 3309, 3969, 5515, 6615, 7721, 9927, 16545, 19845, 23163, 29781, 38605, 49635, 54047, 69489, 89343, 115815, 148905, 162141, 208467, 270235, 347445, 446715, 486423, 625401, 810705, 1042335, 1459269, 2432115, 3127005, 4377807, 7296345, 21889035]

約数ペア:

[(1, 21889035), (3, 7296345), (5, 4377807), (7, 3127005), (9, 2432115), (15, 1459269), (21, 1042335), (27, 810705), (35, 625401), (45, 486423), (49, 446715), (63, 347445), (81, 270235), (105, 208467), (135, 162141), (147, 148905), (189, 115815), (245, 89343), (315, 69489), (405, 54047), (441, 49635), (567, 38605), (735, 29781), (945, 23163), (1103, 19845), (1323, 16545), (2205, 9927), (2835, 7721), (3309, 6615), (3969, 5515)]