21013110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 57788640

約数和(自身を除く): 36775530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 83, 87, 90, 97, 145, 166, 174, 194, 249, 261, 290, 291, 415, 435, 485, 498, 522, 582, 747, 830, 870, 873, 970, 1245, 1305, 1455, 1494, 1746, 2407, 2490, 2610, 2813, 2910, 3735, 4365, 4814, 5626, 7221, 7470, 8051, 8439, 8730, 12035, 14065, 14442, 16102, 16878, 21663, 24070, 24153, 25317, 28130, 36105, 40255, 42195, 43326, 48306, 50634, 72210, 72459, 80510, 84390, 108315, 120765, 126585, 144918, 216630, 233479, 241530, 253170, 362295, 466958, 700437, 724590, 1167395, 1400874, 2101311, 2334790, 3502185, 4202622, 7004370, 10506555, 21013110]

約数ペア:

[(1, 21013110), (2, 10506555), (3, 7004370), (5, 4202622), (6, 3502185), (9, 2334790), (10, 2101311), (15, 1400874), (18, 1167395), (29, 724590), (30, 700437), (45, 466958), (58, 362295), (83, 253170), (87, 241530), (90, 233479), (97, 216630), (145, 144918), (166, 126585), (174, 120765), (194, 108315), (249, 84390), (261, 80510), (290, 72459), (291, 72210), (415, 50634), (435, 48306), (485, 43326), (498, 42195), (522, 40255), (582, 36105), (747, 28130), (830, 25317), (870, 24153), (873, 24070), (970, 21663), (1245, 16878), (1305, 16102), (1455, 14442), (1494, 14065), (1746, 12035), (2407, 8730), (2490, 8439), (2610, 8051), (2813, 7470), (2910, 7221), (3735, 5626), (4365, 4814)]