21618417240

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{317731}}^1$

素因数の和:317764

約数の個数: 192

約数和(自身を含む): 83271202560

約数和(自身を除く): 61652785320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4860, 5670, 6804, 7560, 8505, 9720, 11340, 13608, 17010, 22680, 34020, 68040, 317731, 635462, 953193, 1270924, 1588655, 1906386, 2224117, 2541848, 2859579, 3177310, 3812772, 4448234, 4765965, 5719158, 6354620, 6672351, 7625544, 8578737, 8896468, 9531930, 11120585, 11438316, 12709240, 13344702, 14297895, 17157474, 17792936, 19063860, 20017053, 22241170, 22876632, 25736211, 26689404, 28595790, 33361755, 34314948, 38127720, 40034106, 42893685, 44482340, 51472422, 53378808, 57191580, 60051159, 66723510, 68629896, 77208633, 80068212, 85787370, 88964680, 100085265, 102944844, 114383160, 120102318, 128681055, 133447020, 154417266, 160136424, 171574740, 180153477, 200170530, 205889688, 240204636, 257362110, 266894040, 300255795, 308834532, 343149480, 360306954, 386043165, 400341060, 480409272, 514724220, 540460431, 600511590, 617669064, 720613908, 772086330, 800682120, 900767385, 1029448440, 1080920862, 1201023180, 1441227816, 1544172660, 1801534770, 2161841724, 2402046360, 2702302155, 3088345320, 3603069540, 4323683448, 5404604310, 7206139080, 10809208620, 21618417240]

約数ペア:

[(1, 21618417240), (2, 10809208620), (3, 7206139080), (4, 5404604310), (5, 4323683448), (6, 3603069540), (7, 3088345320), (8, 2702302155), (9, 2402046360), (10, 2161841724), (12, 1801534770), (14, 1544172660), (15, 1441227816), (18, 1201023180), (20, 1080920862), (21, 1029448440), (24, 900767385), (27, 800682120), (28, 772086330), (30, 720613908), (35, 617669064), (36, 600511590), (40, 540460431), (42, 514724220), (45, 480409272), (54, 400341060), (56, 386043165), (60, 360306954), (63, 343149480), (70, 308834532), (72, 300255795), (81, 266894040), (84, 257362110), (90, 240204636), (105, 205889688), (108, 200170530), (120, 180153477), (126, 171574740), (135, 160136424), (140, 154417266), (162, 133447020), (168, 128681055), (180, 120102318), (189, 114383160), (210, 102944844), (216, 100085265), (243, 88964680), (252, 85787370), (270, 80068212), (280, 77208633), (315, 68629896), (324, 66723510), (360, 60051159), (378, 57191580), (405, 53378808), (420, 51472422), (486, 44482340), (504, 42893685), (540, 40034106), (567, 38127720), (630, 34314948), (648, 33361755), (756, 28595790), (810, 26689404), (840, 25736211), (945, 22876632), (972, 22241170), (1080, 20017053), (1134, 19063860), (1215, 17792936), (1260, 17157474), (1512, 14297895), (1620, 13344702), (1701, 12709240), (1890, 11438316), (1944, 11120585), (2268, 9531930), (2430, 8896468), (2520, 8578737), (2835, 7625544), (3240, 6672351), (3402, 6354620), (3780, 5719158), (4536, 4765965), (4860, 4448234), (5670, 3812772), (6804, 3177310), (7560, 2859579), (8505, 2541848), (9720, 2224117), (11340, 1906386), (13608, 1588655), (17010, 1270924), (22680, 953193), (34020, 635462), (68040, 317731)]