21762027

素因数分解:

$3^4\times 7^2\times {\mathrm{5483}}^1$

素因数の和:5509

約数の個数: 30

約数和(自身を含む): 37823148

約数和(自身を除く): 16061121

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 5483, 16449, 38381, 49347, 115143, 148041, 268667, 345429, 444123, 806001, 1036287, 2418003, 3108861, 7254009, 21762027]

約数ペア:

[(1, 21762027), (3, 7254009), (7, 3108861), (9, 2418003), (21, 1036287), (27, 806001), (49, 444123), (63, 345429), (81, 268667), (147, 148041), (189, 115143), (441, 49347), (567, 38381), (1323, 16449), (3969, 5483)]