21966120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 81777600

約数和(自身を除く): 59811480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 43, 44, 45, 54, 55, 60, 66, 72, 86, 88, 90, 99, 108, 110, 120, 129, 132, 135, 165, 172, 180, 198, 215, 216, 220, 258, 264, 270, 297, 330, 344, 360, 387, 396, 430, 440, 473, 495, 516, 540, 594, 645, 660, 774, 792, 860, 946, 990, 1032, 1080, 1161, 1188, 1290, 1320, 1419, 1485, 1548, 1720, 1849, 1892, 1935, 1980, 2322, 2365, 2376, 2580, 2838, 2970, 3096, 3698, 3784, 3870, 3960, 4257, 4644, 4730, 5160, 5547, 5676, 5805, 5940, 7095, 7396, 7740, 8514, 9245, 9288, 9460, 11094, 11352, 11610, 11880, 12771, 14190, 14792, 15480, 16641, 17028, 18490, 18920, 20339, 21285, 22188, 23220, 25542, 27735, 28380, 33282, 34056, 36980, 40678, 42570, 44376, 46440, 49923, 51084, 55470, 56760, 61017, 63855, 66564, 73960, 81356, 83205, 85140, 99846, 101695, 102168, 110940, 122034, 127710, 133128, 162712, 166410, 170280, 183051, 199692, 203390, 221880, 244068, 249615, 255420, 305085, 332820, 366102, 399384, 406780, 488136, 499230, 510840, 549153, 610170, 665640, 732204, 813560, 915255, 998460, 1098306, 1220340, 1464408, 1830510, 1996920, 2196612, 2440680, 2745765, 3661020, 4393224, 5491530, 7322040, 10983060, 21966120]

約数ペア:

[(1, 21966120), (2, 10983060), (3, 7322040), (4, 5491530), (5, 4393224), (6, 3661020), (8, 2745765), (9, 2440680), (10, 2196612), (11, 1996920), (12, 1830510), (15, 1464408), (18, 1220340), (20, 1098306), (22, 998460), (24, 915255), (27, 813560), (30, 732204), (33, 665640), (36, 610170), (40, 549153), (43, 510840), (44, 499230), (45, 488136), (54, 406780), (55, 399384), (60, 366102), (66, 332820), (72, 305085), (86, 255420), (88, 249615), (90, 244068), (99, 221880), (108, 203390), (110, 199692), (120, 183051), (129, 170280), (132, 166410), (135, 162712), (165, 133128), (172, 127710), (180, 122034), (198, 110940), (215, 102168), (216, 101695), (220, 99846), (258, 85140), (264, 83205), (270, 81356), (297, 73960), (330, 66564), (344, 63855), (360, 61017), (387, 56760), (396, 55470), (430, 51084), (440, 49923), (473, 46440), (495, 44376), (516, 42570), (540, 40678), (594, 36980), (645, 34056), (660, 33282), (774, 28380), (792, 27735), (860, 25542), (946, 23220), (990, 22188), (1032, 21285), (1080, 20339), (1161, 18920), (1188, 18490), (1290, 17028), (1320, 16641), (1419, 15480), (1485, 14792), (1548, 14190), (1720, 12771), (1849, 11880), (1892, 11610), (1935, 11352), (1980, 11094), (2322, 9460), (2365, 9288), (2376, 9245), (2580, 8514), (2838, 7740), (2970, 7396), (3096, 7095), (3698, 5940), (3784, 5805), (3870, 5676), (3960, 5547), (4257, 5160), (4644, 4730)]