21361428

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17981}}^1$

素因数の和:18005

約数の個数: 48

約数和(自身を含む): 60419520

約数和(自身を除く): 39058092

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 17981, 35962, 53943, 71924, 107886, 161829, 197791, 215772, 323658, 395582, 485487, 593373, 647316, 791164, 970974, 1186746, 1780119, 1941948, 2373492, 3560238, 5340357, 7120476, 10680714, 21361428]

約数ペア:

[(1, 21361428), (2, 10680714), (3, 7120476), (4, 5340357), (6, 3560238), (9, 2373492), (11, 1941948), (12, 1780119), (18, 1186746), (22, 970974), (27, 791164), (33, 647316), (36, 593373), (44, 485487), (54, 395582), (66, 323658), (99, 215772), (108, 197791), (132, 161829), (198, 107886), (297, 71924), (396, 53943), (594, 35962), (1188, 17981)]