21607850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2351

約数の個数: 48

約数和(自身を含む): 46443456

約数和(自身を除く): 24835606

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 275, 374, 425, 550, 850, 935, 1870, 2311, 4622, 4675, 9350, 11555, 23110, 25421, 39287, 50842, 57775, 78574, 115550, 127105, 196435, 254210, 392870, 432157, 635525, 864314, 982175, 1271050, 1964350, 2160785, 4321570, 10803925, 21607850]

約数ペア:

[(1, 21607850), (2, 10803925), (5, 4321570), (10, 2160785), (11, 1964350), (17, 1271050), (22, 982175), (25, 864314), (34, 635525), (50, 432157), (55, 392870), (85, 254210), (110, 196435), (170, 127105), (187, 115550), (275, 78574), (374, 57775), (425, 50842), (550, 39287), (850, 25421), (935, 23110), (1870, 11555), (2311, 9350), (4622, 4675)]