21965268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10831}}^1$

素因数の和:10864

約数の個数: 36

約数和(自身を含む): 55503168

約数和(自身を除く): 33537900

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10831, 21662, 32493, 43324, 64986, 129972, 140803, 281606, 422409, 563212, 844818, 1689636, 1830439, 3660878, 5491317, 7321756, 10982634, 21965268]

約数ペア:

[(1, 21965268), (2, 10982634), (3, 7321756), (4, 5491317), (6, 3660878), (12, 1830439), (13, 1689636), (26, 844818), (39, 563212), (52, 422409), (78, 281606), (156, 140803), (169, 129972), (338, 64986), (507, 43324), (676, 32493), (1014, 21662), (2028, 10831)]