21761340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4591}}^1$

素因数の和:4682

約数の個数: 48

約数和(自身を含む): 61716480

約数和(自身を除く): 39955140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4591, 4740, 9182, 13773, 18364, 22955, 27546, 45910, 55092, 68865, 91820, 137730, 275460, 362689, 725378, 1088067, 1450756, 1813445, 2176134, 3626890, 4352268, 5440335, 7253780, 10880670, 21761340]

約数ペア:

[(1, 21761340), (2, 10880670), (3, 7253780), (4, 5440335), (5, 4352268), (6, 3626890), (10, 2176134), (12, 1813445), (15, 1450756), (20, 1088067), (30, 725378), (60, 362689), (79, 275460), (158, 137730), (237, 91820), (316, 68865), (395, 55092), (474, 45910), (790, 27546), (948, 22955), (1185, 18364), (1580, 13773), (2370, 9182), (4591, 4740)]