21069720

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{929}}^1$

素因数の和:959

約数の個数: 160

約数和(自身を含む): 81021600

約数和(自身を除く): 59951880

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, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 929, 945, 1080, 1134, 1260, 1512, 1620, 1858, 1890, 2268, 2520, 2787, 2835, 3240, 3716, 3780, 4536, 4645, 5574, 5670, 6503, 7432, 7560, 8361, 9290, 11148, 11340, 13006, 13935, 16722, 18580, 19509, 22296, 22680, 25083, 26012, 27870, 32515, 33444, 37160, 39018, 41805, 50166, 52024, 55740, 58527, 65030, 66888, 75249, 78036, 83610, 97545, 100332, 111480, 117054, 125415, 130060, 150498, 156072, 167220, 175581, 195090, 200664, 234108, 250830, 260120, 292635, 300996, 334440, 351162, 376245, 390180, 468216, 501660, 526743, 585270, 601992, 702324, 752490, 780360, 877905, 1003320, 1053486, 1170540, 1404648, 1504980, 1755810, 2106972, 2341080, 2633715, 3009960, 3511620, 4213944, 5267430, 7023240, 10534860, 21069720]

約数ペア:

[(1, 21069720), (2, 10534860), (3, 7023240), (4, 5267430), (5, 4213944), (6, 3511620), (7, 3009960), (8, 2633715), (9, 2341080), (10, 2106972), (12, 1755810), (14, 1504980), (15, 1404648), (18, 1170540), (20, 1053486), (21, 1003320), (24, 877905), (27, 780360), (28, 752490), (30, 702324), (35, 601992), (36, 585270), (40, 526743), (42, 501660), (45, 468216), (54, 390180), (56, 376245), (60, 351162), (63, 334440), (70, 300996), (72, 292635), (81, 260120), (84, 250830), (90, 234108), (105, 200664), (108, 195090), (120, 175581), (126, 167220), (135, 156072), (140, 150498), (162, 130060), (168, 125415), (180, 117054), (189, 111480), (210, 100332), (216, 97545), (252, 83610), (270, 78036), (280, 75249), (315, 66888), (324, 65030), (360, 58527), (378, 55740), (405, 52024), (420, 50166), (504, 41805), (540, 39018), (567, 37160), (630, 33444), (648, 32515), (756, 27870), (810, 26012), (840, 25083), (929, 22680), (945, 22296), (1080, 19509), (1134, 18580), (1260, 16722), (1512, 13935), (1620, 13006), (1858, 11340), (1890, 11148), (2268, 9290), (2520, 8361), (2787, 7560), (2835, 7432), (3240, 6503), (3716, 5670), (3780, 5574), (4536, 4645)]