21812670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2003}}^1$

素因数の和:2038

約数の個数: 72

約数和(自身を含む): 62368488

約数和(自身を除く): 40555818

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2003, 2178, 3630, 4006, 5445, 6009, 10015, 10890, 12018, 18027, 20030, 22033, 30045, 36054, 44066, 60090, 66099, 90135, 110165, 132198, 180270, 198297, 220330, 242363, 330495, 396594, 484726, 660990, 727089, 991485, 1211815, 1454178, 1982970, 2181267, 2423630, 3635445, 4362534, 7270890, 10906335, 21812670]

約数ペア:

[(1, 21812670), (2, 10906335), (3, 7270890), (5, 4362534), (6, 3635445), (9, 2423630), (10, 2181267), (11, 1982970), (15, 1454178), (18, 1211815), (22, 991485), (30, 727089), (33, 660990), (45, 484726), (55, 396594), (66, 330495), (90, 242363), (99, 220330), (110, 198297), (121, 180270), (165, 132198), (198, 110165), (242, 90135), (330, 66099), (363, 60090), (495, 44066), (605, 36054), (726, 30045), (990, 22033), (1089, 20030), (1210, 18027), (1815, 12018), (2003, 10890), (2178, 10015), (3630, 6009), (4006, 5445)]