21749310

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2441}}^1$

素因数の和:2471

約数の個数: 80

約数和(自身を含む): 63824112

約数和(自身を除く): 42074802

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2441, 2970, 4455, 4882, 7323, 8910, 12205, 14646, 21969, 24410, 26851, 36615, 43938, 53702, 65907, 73230, 80553, 109845, 131814, 134255, 161106, 197721, 219690, 241659, 268510, 329535, 395442, 402765, 483318, 659070, 724977, 805530, 988605, 1208295, 1449954, 1977210, 2174931, 2416590, 3624885, 4349862, 7249770, 10874655, 21749310]

約数ペア:

[(1, 21749310), (2, 10874655), (3, 7249770), (5, 4349862), (6, 3624885), (9, 2416590), (10, 2174931), (11, 1977210), (15, 1449954), (18, 1208295), (22, 988605), (27, 805530), (30, 724977), (33, 659070), (45, 483318), (54, 402765), (55, 395442), (66, 329535), (81, 268510), (90, 241659), (99, 219690), (110, 197721), (135, 161106), (162, 134255), (165, 131814), (198, 109845), (270, 80553), (297, 73230), (330, 65907), (405, 53702), (495, 43938), (594, 36615), (810, 26851), (891, 24410), (990, 21969), (1485, 14646), (1782, 12205), (2441, 8910), (2970, 7323), (4455, 4882)]