21726684

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 96

約数和(自身を含む): 66662400

約数和(自身を除く): 44935716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 84, 87, 108, 116, 126, 174, 189, 203, 252, 261, 348, 378, 406, 522, 609, 756, 783, 812, 991, 1044, 1218, 1566, 1827, 1982, 2436, 2973, 3132, 3654, 3964, 5481, 5946, 6937, 7308, 8919, 10962, 11892, 13874, 17838, 20811, 21924, 26757, 27748, 28739, 35676, 41622, 53514, 57478, 62433, 83244, 86217, 107028, 114956, 124866, 172434, 187299, 201173, 249732, 258651, 344868, 374598, 402346, 517302, 603519, 749196, 775953, 804692, 1034604, 1207038, 1551906, 1810557, 2414076, 3103812, 3621114, 5431671, 7242228, 10863342, 21726684]

約数ペア:

[(1, 21726684), (2, 10863342), (3, 7242228), (4, 5431671), (6, 3621114), (7, 3103812), (9, 2414076), (12, 1810557), (14, 1551906), (18, 1207038), (21, 1034604), (27, 804692), (28, 775953), (29, 749196), (36, 603519), (42, 517302), (54, 402346), (58, 374598), (63, 344868), (84, 258651), (87, 249732), (108, 201173), (116, 187299), (126, 172434), (174, 124866), (189, 114956), (203, 107028), (252, 86217), (261, 83244), (348, 62433), (378, 57478), (406, 53514), (522, 41622), (609, 35676), (756, 28739), (783, 27748), (812, 26757), (991, 21924), (1044, 20811), (1218, 17838), (1566, 13874), (1827, 11892), (1982, 10962), (2436, 8919), (2973, 7308), (3132, 6937), (3654, 5946), (3964, 5481)]