21214996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11213}}^1$

素因数の和:11271

約数の個数: 24

約数和(自身を含む): 41446944

約数和(自身を除く): 20231948

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11213, 22426, 44852, 123343, 246686, 482159, 493372, 964318, 1928636, 5303749, 10607498, 21214996]

約数ペア:

[(1, 21214996), (2, 10607498), (4, 5303749), (11, 1928636), (22, 964318), (43, 493372), (44, 482159), (86, 246686), (172, 123343), (473, 44852), (946, 22426), (1892, 11213)]