21999186

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 52442208

約数和(自身を除く): 30443022

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 137, 198, 274, 411, 811, 822, 1233, 1507, 1622, 2433, 2466, 3014, 4521, 4866, 7299, 8921, 9042, 13563, 14598, 17842, 26763, 27126, 53526, 80289, 111107, 160578, 222214, 333321, 666642, 999963, 1222177, 1999926, 2444354, 3666531, 7333062, 10999593, 21999186]

約数ペア:

[(1, 21999186), (2, 10999593), (3, 7333062), (6, 3666531), (9, 2444354), (11, 1999926), (18, 1222177), (22, 999963), (33, 666642), (66, 333321), (99, 222214), (137, 160578), (198, 111107), (274, 80289), (411, 53526), (811, 27126), (822, 26763), (1233, 17842), (1507, 14598), (1622, 13563), (2433, 9042), (2466, 8921), (3014, 7299), (4521, 4866)]