21699480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:1009

約数の個数: 128

約数和(自身を含む): 75271680

約数和(自身を除く): 53572200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 967, 1020, 1122, 1320, 1496, 1870, 1934, 2040, 2244, 2805, 2901, 3740, 3868, 4488, 4835, 5610, 5802, 7480, 7736, 9670, 10637, 11220, 11604, 14505, 16439, 19340, 21274, 22440, 23208, 29010, 31911, 32878, 38680, 42548, 49317, 53185, 58020, 63822, 65756, 82195, 85096, 98634, 106370, 116040, 127644, 131512, 159555, 164390, 180829, 197268, 212740, 246585, 255288, 319110, 328780, 361658, 394536, 425480, 493170, 542487, 638220, 657560, 723316, 904145, 986340, 1084974, 1276440, 1446632, 1808290, 1972680, 2169948, 2712435, 3616580, 4339896, 5424870, 7233160, 10849740, 21699480]

約数ペア:

[(1, 21699480), (2, 10849740), (3, 7233160), (4, 5424870), (5, 4339896), (6, 3616580), (8, 2712435), (10, 2169948), (11, 1972680), (12, 1808290), (15, 1446632), (17, 1276440), (20, 1084974), (22, 986340), (24, 904145), (30, 723316), (33, 657560), (34, 638220), (40, 542487), (44, 493170), (51, 425480), (55, 394536), (60, 361658), (66, 328780), (68, 319110), (85, 255288), (88, 246585), (102, 212740), (110, 197268), (120, 180829), (132, 164390), (136, 159555), (165, 131512), (170, 127644), (187, 116040), (204, 106370), (220, 98634), (255, 85096), (264, 82195), (330, 65756), (340, 63822), (374, 58020), (408, 53185), (440, 49317), (510, 42548), (561, 38680), (660, 32878), (680, 31911), (748, 29010), (935, 23208), (967, 22440), (1020, 21274), (1122, 19340), (1320, 16439), (1496, 14505), (1870, 11604), (1934, 11220), (2040, 10637), (2244, 9670), (2805, 7736), (2901, 7480), (3740, 5802), (3868, 5610), (4488, 4835)]