21092280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:102

約数の個数: 192

約数和(自身を含む): 75254400

約数和(自身を除く): 54162120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 29, 30, 33, 38, 40, 44, 55, 57, 58, 60, 66, 76, 87, 88, 95, 110, 114, 116, 120, 132, 145, 152, 165, 174, 190, 209, 220, 228, 232, 264, 285, 290, 319, 330, 348, 380, 418, 435, 440, 456, 551, 570, 580, 627, 638, 660, 696, 760, 836, 841, 870, 957, 1045, 1102, 1140, 1160, 1254, 1276, 1320, 1595, 1653, 1672, 1682, 1740, 1914, 2090, 2204, 2280, 2508, 2523, 2552, 2755, 3135, 3190, 3306, 3364, 3480, 3828, 4180, 4205, 4408, 4785, 5016, 5046, 5510, 6061, 6270, 6380, 6612, 6728, 7656, 8265, 8360, 8410, 9251, 9570, 10092, 11020, 12122, 12540, 12615, 12760, 13224, 15979, 16530, 16820, 18183, 18502, 19140, 20184, 22040, 24244, 25080, 25230, 27753, 30305, 31958, 33060, 33640, 36366, 37004, 38280, 46255, 47937, 48488, 50460, 55506, 60610, 63916, 66120, 72732, 74008, 79895, 90915, 92510, 95874, 100920, 111012, 121220, 127832, 138765, 145464, 159790, 175769, 181830, 185020, 191748, 222024, 239685, 242440, 277530, 319580, 351538, 363660, 370040, 383496, 479370, 527307, 555060, 639160, 703076, 727320, 878845, 958740, 1054614, 1110120, 1406152, 1757690, 1917480, 2109228, 2636535, 3515380, 4218456, 5273070, 7030760, 10546140, 21092280]

約数ペア:

[(1, 21092280), (2, 10546140), (3, 7030760), (4, 5273070), (5, 4218456), (6, 3515380), (8, 2636535), (10, 2109228), (11, 1917480), (12, 1757690), (15, 1406152), (19, 1110120), (20, 1054614), (22, 958740), (24, 878845), (29, 727320), (30, 703076), (33, 639160), (38, 555060), (40, 527307), (44, 479370), (55, 383496), (57, 370040), (58, 363660), (60, 351538), (66, 319580), (76, 277530), (87, 242440), (88, 239685), (95, 222024), (110, 191748), (114, 185020), (116, 181830), (120, 175769), (132, 159790), (145, 145464), (152, 138765), (165, 127832), (174, 121220), (190, 111012), (209, 100920), (220, 95874), (228, 92510), (232, 90915), (264, 79895), (285, 74008), (290, 72732), (319, 66120), (330, 63916), (348, 60610), (380, 55506), (418, 50460), (435, 48488), (440, 47937), (456, 46255), (551, 38280), (570, 37004), (580, 36366), (627, 33640), (638, 33060), (660, 31958), (696, 30305), (760, 27753), (836, 25230), (841, 25080), (870, 24244), (957, 22040), (1045, 20184), (1102, 19140), (1140, 18502), (1160, 18183), (1254, 16820), (1276, 16530), (1320, 15979), (1595, 13224), (1653, 12760), (1672, 12615), (1682, 12540), (1740, 12122), (1914, 11020), (2090, 10092), (2204, 9570), (2280, 9251), (2508, 8410), (2523, 8360), (2552, 8265), (2755, 7656), (3135, 6728), (3190, 6612), (3306, 6380), (3364, 6270), (3480, 6061), (3828, 5510), (4180, 5046), (4205, 5016), (4408, 4785)]