21986910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{673}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 64542240

約数和(自身を除く): 42555330

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 121, 135, 165, 198, 242, 270, 297, 330, 363, 495, 594, 605, 673, 726, 990, 1089, 1210, 1346, 1485, 1815, 2019, 2178, 2970, 3267, 3365, 3630, 4038, 5445, 6057, 6534, 6730, 7403, 10095, 10890, 12114, 14806, 16335, 18171, 20190, 22209, 30285, 32670, 36342, 37015, 44418, 60570, 66627, 74030, 81433, 90855, 111045, 133254, 162866, 181710, 199881, 222090, 244299, 333135, 399762, 407165, 488598, 666270, 732897, 814330, 999405, 1221495, 1465794, 1998810, 2198691, 2442990, 3664485, 4397382, 7328970, 10993455, 21986910]

約数ペア:

[(1, 21986910), (2, 10993455), (3, 7328970), (5, 4397382), (6, 3664485), (9, 2442990), (10, 2198691), (11, 1998810), (15, 1465794), (18, 1221495), (22, 999405), (27, 814330), (30, 732897), (33, 666270), (45, 488598), (54, 407165), (55, 399762), (66, 333135), (90, 244299), (99, 222090), (110, 199881), (121, 181710), (135, 162866), (165, 133254), (198, 111045), (242, 90855), (270, 81433), (297, 74030), (330, 66627), (363, 60570), (495, 44418), (594, 37015), (605, 36342), (673, 32670), (726, 30285), (990, 22209), (1089, 20190), (1210, 18171), (1346, 16335), (1485, 14806), (1815, 12114), (2019, 10890), (2178, 10095), (2970, 7403), (3267, 6730), (3365, 6534), (3630, 6057), (4038, 5445)]