21854574

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5981}}^1$

素因数の和:6025

約数の個数: 48

約数和(自身を含む): 55991520

約数和(自身を除く): 34136946

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5981, 11962, 17943, 35886, 41867, 53829, 83734, 107658, 125601, 173449, 251202, 346898, 376803, 520347, 753606, 1040694, 1214143, 1561041, 2428286, 3122082, 3642429, 7284858, 10927287, 21854574]

約数ペア:

[(1, 21854574), (2, 10927287), (3, 7284858), (6, 3642429), (7, 3122082), (9, 2428286), (14, 1561041), (18, 1214143), (21, 1040694), (29, 753606), (42, 520347), (58, 376803), (63, 346898), (87, 251202), (126, 173449), (174, 125601), (203, 107658), (261, 83734), (406, 53829), (522, 41867), (609, 35886), (1218, 17943), (1827, 11962), (3654, 5981)]