21686040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1097

約数の個数: 96

約数和(自身を含む): 71744400

約数和(自身を除く): 50058360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 59, 60, 72, 90, 118, 120, 177, 180, 236, 295, 354, 360, 472, 531, 590, 708, 885, 1021, 1062, 1180, 1416, 1770, 2042, 2124, 2360, 2655, 3063, 3540, 4084, 4248, 5105, 5310, 6126, 7080, 8168, 9189, 10210, 10620, 12252, 15315, 18378, 20420, 21240, 24504, 30630, 36756, 40840, 45945, 60239, 61260, 73512, 91890, 120478, 122520, 180717, 183780, 240956, 301195, 361434, 367560, 481912, 542151, 602390, 722868, 903585, 1084302, 1204780, 1445736, 1807170, 2168604, 2409560, 2710755, 3614340, 4337208, 5421510, 7228680, 10843020, 21686040]

約数ペア:

[(1, 21686040), (2, 10843020), (3, 7228680), (4, 5421510), (5, 4337208), (6, 3614340), (8, 2710755), (9, 2409560), (10, 2168604), (12, 1807170), (15, 1445736), (18, 1204780), (20, 1084302), (24, 903585), (30, 722868), (36, 602390), (40, 542151), (45, 481912), (59, 367560), (60, 361434), (72, 301195), (90, 240956), (118, 183780), (120, 180717), (177, 122520), (180, 120478), (236, 91890), (295, 73512), (354, 61260), (360, 60239), (472, 45945), (531, 40840), (590, 36756), (708, 30630), (885, 24504), (1021, 21240), (1062, 20420), (1180, 18378), (1416, 15315), (1770, 12252), (2042, 10620), (2124, 10210), (2360, 9189), (2655, 8168), (3063, 7080), (3540, 6126), (4084, 5310), (4248, 5105)]