21276360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8443}}^1$

素因数の和:8467

約数の個数: 96

約数和(自身を含む): 79035840

約数和(自身を除く): 57759480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8443, 16886, 25329, 33772, 42215, 50658, 59101, 67544, 75987, 84430, 101316, 118202, 126645, 151974, 168860, 177303, 202632, 236404, 253290, 295505, 303948, 337720, 354606, 379935, 472808, 506580, 531909, 591010, 607896, 709212, 759870, 886515, 1013160, 1063818, 1182020, 1418424, 1519740, 1773030, 2127636, 2364040, 2659545, 3039480, 3546060, 4255272, 5319090, 7092120, 10638180, 21276360]

約数ペア:

[(1, 21276360), (2, 10638180), (3, 7092120), (4, 5319090), (5, 4255272), (6, 3546060), (7, 3039480), (8, 2659545), (9, 2364040), (10, 2127636), (12, 1773030), (14, 1519740), (15, 1418424), (18, 1182020), (20, 1063818), (21, 1013160), (24, 886515), (28, 759870), (30, 709212), (35, 607896), (36, 591010), (40, 531909), (42, 506580), (45, 472808), (56, 379935), (60, 354606), (63, 337720), (70, 303948), (72, 295505), (84, 253290), (90, 236404), (105, 202632), (120, 177303), (126, 168860), (140, 151974), (168, 126645), (180, 118202), (210, 101316), (252, 84430), (280, 75987), (315, 67544), (360, 59101), (420, 50658), (504, 42215), (630, 33772), (840, 25329), (1260, 16886), (2520, 8443)]