21060900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3343}}^1$

素因数の和:3370

約数の個数: 108

約数和(自身を含む): 75467392

約数和(自身を除く): 54406492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 3343, 6300, 6686, 10029, 13372, 16715, 20058, 23401, 30087, 33430, 40116, 46802, 50145, 60174, 66860, 70203, 83575, 93604, 100290, 117005, 120348, 140406, 150435, 167150, 200580, 210609, 234010, 250725, 280812, 300870, 334300, 351015, 421218, 468020, 501450, 585025, 601740, 702030, 752175, 842436, 1002900, 1053045, 1170050, 1404060, 1504350, 1755075, 2106090, 2340100, 3008700, 3510150, 4212180, 5265225, 7020300, 10530450, 21060900]

約数ペア:

[(1, 21060900), (2, 10530450), (3, 7020300), (4, 5265225), (5, 4212180), (6, 3510150), (7, 3008700), (9, 2340100), (10, 2106090), (12, 1755075), (14, 1504350), (15, 1404060), (18, 1170050), (20, 1053045), (21, 1002900), (25, 842436), (28, 752175), (30, 702030), (35, 601740), (36, 585025), (42, 501450), (45, 468020), (50, 421218), (60, 351015), (63, 334300), (70, 300870), (75, 280812), (84, 250725), (90, 234010), (100, 210609), (105, 200580), (126, 167150), (140, 150435), (150, 140406), (175, 120348), (180, 117005), (210, 100290), (225, 93604), (252, 83575), (300, 70203), (315, 66860), (350, 60174), (420, 50145), (450, 46802), (525, 40116), (630, 33430), (700, 30087), (900, 23401), (1050, 20058), (1260, 16715), (1575, 13372), (2100, 10029), (3150, 6686), (3343, 6300)]