21765352

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5801}}^1$

素因数の和:5881

約数の個数: 32

約数和(自身を含む): 47344320

約数和(自身を除く): 25578968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5801, 11602, 23204, 40607, 46408, 81214, 162428, 324856, 388667, 777334, 1554668, 2720669, 3109336, 5441338, 10882676, 21765352]

約数ペア:

[(1, 21765352), (2, 10882676), (4, 5441338), (7, 3109336), (8, 2720669), (14, 1554668), (28, 777334), (56, 388667), (67, 324856), (134, 162428), (268, 81214), (469, 46408), (536, 40607), (938, 23204), (1876, 11602), (3752, 5801)]