21885402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 55148544

約数和(自身を除く): 33263142

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 127, 154, 231, 254, 373, 381, 462, 746, 762, 889, 1119, 1397, 1778, 2238, 2611, 2667, 2794, 4103, 4191, 5222, 5334, 7833, 8206, 8382, 9779, 12309, 15666, 19558, 24618, 28721, 29337, 47371, 57442, 58674, 86163, 94742, 142113, 172326, 284226, 331597, 521081, 663194, 994791, 1042162, 1563243, 1989582, 3126486, 3647567, 7295134, 10942701, 21885402]

約数ペア:

[(1, 21885402), (2, 10942701), (3, 7295134), (6, 3647567), (7, 3126486), (11, 1989582), (14, 1563243), (21, 1042162), (22, 994791), (33, 663194), (42, 521081), (66, 331597), (77, 284226), (127, 172326), (154, 142113), (231, 94742), (254, 86163), (373, 58674), (381, 57442), (462, 47371), (746, 29337), (762, 28721), (889, 24618), (1119, 19558), (1397, 15666), (1778, 12309), (2238, 9779), (2611, 8382), (2667, 8206), (2794, 7833), (4103, 5334), (4191, 5222)]