21460880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2017}}^1$

素因数の和:2056

約数の個数: 80

約数和(自身を含む): 60055680

約数和(自身を除く): 38594800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2017, 2128, 2660, 4034, 5320, 8068, 10085, 10640, 14119, 16136, 20170, 28238, 32272, 38323, 40340, 56476, 70595, 76646, 80680, 112952, 141190, 153292, 161360, 191615, 225904, 268261, 282380, 306584, 383230, 536522, 564760, 613168, 766460, 1073044, 1129520, 1341305, 1532920, 2146088, 2682610, 3065840, 4292176, 5365220, 10730440, 21460880]

約数ペア:

[(1, 21460880), (2, 10730440), (4, 5365220), (5, 4292176), (7, 3065840), (8, 2682610), (10, 2146088), (14, 1532920), (16, 1341305), (19, 1129520), (20, 1073044), (28, 766460), (35, 613168), (38, 564760), (40, 536522), (56, 383230), (70, 306584), (76, 282380), (80, 268261), (95, 225904), (112, 191615), (133, 161360), (140, 153292), (152, 141190), (190, 112952), (266, 80680), (280, 76646), (304, 70595), (380, 56476), (532, 40340), (560, 38323), (665, 32272), (760, 28238), (1064, 20170), (1330, 16136), (1520, 14119), (2017, 10640), (2128, 10085), (2660, 8068), (4034, 5320)]