21000886182

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{1663}}^1\times {\mathrm{41269}}^1$

素因数の和:42957

約数の個数: 48

約数和(自身を含む): 48208642560

約数和(自身を除く): 27207756378

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 1663, 3326, 4989, 9978, 14967, 28271, 29934, 41269, 56542, 82538, 84813, 123807, 169626, 247614, 254439, 371421, 508878, 701573, 742842, 1403146, 2104719, 4209438, 6314157, 12628314, 68630347, 137260694, 205891041, 411782082, 617673123, 1166715899, 1235346246, 2333431798, 3500147697, 7000295394, 10500443091, 21000886182]

約数ペア:

[(1, 21000886182), (2, 10500443091), (3, 7000295394), (6, 3500147697), (9, 2333431798), (17, 1235346246), (18, 1166715899), (34, 617673123), (51, 411782082), (102, 205891041), (153, 137260694), (306, 68630347), (1663, 12628314), (3326, 6314157), (4989, 4209438), (9978, 2104719), (14967, 1403146), (28271, 742842), (29934, 701573), (41269, 508878), (56542, 371421), (82538, 254439), (84813, 247614), (123807, 169626)]