21167375642

素因数分解:

$2^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{3691}}^1$

素因数の和:4267

約数の個数: 48

約数和(自身を含む): 37299094560

約数和(自身を除く): 16131718918

約数列:

[1, 2, 7, 14, 49, 98, 139, 278, 421, 842, 973, 1946, 2947, 3691, 5894, 6811, 7382, 13622, 20629, 25837, 41258, 51674, 58519, 117038, 180859, 361718, 409633, 513049, 819266, 1026098, 1553911, 2867431, 3107822, 3591343, 5734862, 7182686, 10877377, 21754754, 25139401, 50278802, 76141639, 152283278, 215993629, 431987258, 1511955403, 3023910806, 10583687821, 21167375642]

約数ペア:

[(1, 21167375642), (2, 10583687821), (7, 3023910806), (14, 1511955403), (49, 431987258), (98, 215993629), (139, 152283278), (278, 76141639), (421, 50278802), (842, 25139401), (973, 21754754), (1946, 10877377), (2947, 7182686), (3691, 5734862), (5894, 3591343), (6811, 3107822), (7382, 2867431), (13622, 1553911), (20629, 1026098), (25837, 819266), (41258, 513049), (51674, 409633), (58519, 361718), (117038, 180859)]