21762160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38861}}^1$

素因数の和:38881

約数の個数: 40

約数和(自身を含む): 57826656

約数和(自身を除く): 36064496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38861, 77722, 155444, 194305, 272027, 310888, 388610, 544054, 621776, 777220, 1088108, 1360135, 1554440, 2176216, 2720270, 3108880, 4352432, 5440540, 10881080, 21762160]

約数ペア:

[(1, 21762160), (2, 10881080), (4, 5440540), (5, 4352432), (7, 3108880), (8, 2720270), (10, 2176216), (14, 1554440), (16, 1360135), (20, 1088108), (28, 777220), (35, 621776), (40, 544054), (56, 388610), (70, 310888), (80, 272027), (112, 194305), (140, 155444), (280, 77722), (560, 38861)]