21230160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12637}}^1$

素因数の和:12660

約数の個数: 80

約数和(自身を含む): 75221376

約数和(自身を除く): 53991216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12637, 25274, 37911, 50548, 63185, 75822, 88459, 101096, 126370, 151644, 176918, 189555, 202192, 252740, 265377, 303288, 353836, 379110, 442295, 505480, 530754, 606576, 707672, 758220, 884590, 1010960, 1061508, 1326885, 1415344, 1516440, 1769180, 2123016, 2653770, 3032880, 3538360, 4246032, 5307540, 7076720, 10615080, 21230160]

約数ペア:

[(1, 21230160), (2, 10615080), (3, 7076720), (4, 5307540), (5, 4246032), (6, 3538360), (7, 3032880), (8, 2653770), (10, 2123016), (12, 1769180), (14, 1516440), (15, 1415344), (16, 1326885), (20, 1061508), (21, 1010960), (24, 884590), (28, 758220), (30, 707672), (35, 606576), (40, 530754), (42, 505480), (48, 442295), (56, 379110), (60, 353836), (70, 303288), (80, 265377), (84, 252740), (105, 202192), (112, 189555), (120, 176918), (140, 151644), (168, 126370), (210, 101096), (240, 88459), (280, 75822), (336, 63185), (420, 50548), (560, 37911), (840, 25274), (1680, 12637)]