21422100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{101}}^2$

素因数の和:226

約数の個数: 108

約数和(自身を含む): 71544032

約数和(自身を除く): 50121932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 101, 105, 140, 150, 175, 202, 210, 300, 303, 350, 404, 420, 505, 525, 606, 700, 707, 1010, 1050, 1212, 1414, 1515, 2020, 2100, 2121, 2525, 2828, 3030, 3535, 4242, 5050, 6060, 7070, 7575, 8484, 10100, 10201, 10605, 14140, 15150, 17675, 20402, 21210, 30300, 30603, 35350, 40804, 42420, 51005, 53025, 61206, 70700, 71407, 102010, 106050, 122412, 142814, 153015, 204020, 212100, 214221, 255025, 285628, 306030, 357035, 428442, 510050, 612060, 714070, 765075, 856884, 1020100, 1071105, 1428140, 1530150, 1785175, 2142210, 3060300, 3570350, 4284420, 5355525, 7140700, 10711050, 21422100]

約数ペア:

[(1, 21422100), (2, 10711050), (3, 7140700), (4, 5355525), (5, 4284420), (6, 3570350), (7, 3060300), (10, 2142210), (12, 1785175), (14, 1530150), (15, 1428140), (20, 1071105), (21, 1020100), (25, 856884), (28, 765075), (30, 714070), (35, 612060), (42, 510050), (50, 428442), (60, 357035), (70, 306030), (75, 285628), (84, 255025), (100, 214221), (101, 212100), (105, 204020), (140, 153015), (150, 142814), (175, 122412), (202, 106050), (210, 102010), (300, 71407), (303, 70700), (350, 61206), (404, 53025), (420, 51005), (505, 42420), (525, 40804), (606, 35350), (700, 30603), (707, 30300), (1010, 21210), (1050, 20402), (1212, 17675), (1414, 15150), (1515, 14140), (2020, 10605), (2100, 10201), (2121, 10100), (2525, 8484), (2828, 7575), (3030, 7070), (3535, 6060), (4242, 5050)]