21684240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{10039}}^1$

素因数の和:10061

約数の個数: 80

約数和(自身を含む): 74697600

約数和(自身を除く): 53013360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 10039, 20078, 30117, 40156, 50195, 60234, 80312, 90351, 100390, 120468, 150585, 160624, 180702, 200780, 240936, 271053, 301170, 361404, 401560, 451755, 481872, 542106, 602340, 722808, 803120, 903510, 1084212, 1204680, 1355265, 1445616, 1807020, 2168424, 2409360, 2710530, 3614040, 4336848, 5421060, 7228080, 10842120, 21684240]

約数ペア:

[(1, 21684240), (2, 10842120), (3, 7228080), (4, 5421060), (5, 4336848), (6, 3614040), (8, 2710530), (9, 2409360), (10, 2168424), (12, 1807020), (15, 1445616), (16, 1355265), (18, 1204680), (20, 1084212), (24, 903510), (27, 803120), (30, 722808), (36, 602340), (40, 542106), (45, 481872), (48, 451755), (54, 401560), (60, 361404), (72, 301170), (80, 271053), (90, 240936), (108, 200780), (120, 180702), (135, 160624), (144, 150585), (180, 120468), (216, 100390), (240, 90351), (270, 80312), (360, 60234), (432, 50195), (540, 40156), (720, 30117), (1080, 20078), (2160, 10039)]