21697956

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{1063}}^1$

素因数の和:1092

約数の個数: 84

約数和(自身を含む): 65125312

約数和(自身を除く): 43427356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1063, 1134, 1458, 1701, 2126, 2268, 2916, 3189, 3402, 4252, 5103, 6378, 6804, 7441, 9567, 10206, 12756, 14882, 19134, 20412, 22323, 28701, 29764, 38268, 44646, 57402, 66969, 86103, 89292, 114804, 133938, 172206, 200907, 258309, 267876, 344412, 401814, 516618, 602721, 774927, 803628, 1033236, 1205442, 1549854, 1808163, 2410884, 3099708, 3616326, 5424489, 7232652, 10848978, 21697956]

約数ペア:

[(1, 21697956), (2, 10848978), (3, 7232652), (4, 5424489), (6, 3616326), (7, 3099708), (9, 2410884), (12, 1808163), (14, 1549854), (18, 1205442), (21, 1033236), (27, 803628), (28, 774927), (36, 602721), (42, 516618), (54, 401814), (63, 344412), (81, 267876), (84, 258309), (108, 200907), (126, 172206), (162, 133938), (189, 114804), (243, 89292), (252, 86103), (324, 66969), (378, 57402), (486, 44646), (567, 38268), (729, 29764), (756, 28701), (972, 22323), (1063, 20412), (1134, 19134), (1458, 14882), (1701, 12756), (2126, 10206), (2268, 9567), (2916, 7441), (3189, 6804), (3402, 6378), (4252, 5103)]