21423974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 38060064

約数和(自身を除く): 16636090

約数列:

[1, 2, 11, 13, 22, 26, 143, 173, 286, 346, 433, 866, 1903, 2249, 3806, 4498, 4763, 5629, 9526, 11258, 24739, 49478, 61919, 74909, 123838, 149818, 823999, 973817, 1647998, 1947634, 10711987, 21423974]

約数ペア:

[(1, 21423974), (2, 10711987), (11, 1947634), (13, 1647998), (22, 973817), (26, 823999), (143, 149818), (173, 123838), (286, 74909), (346, 61919), (433, 49478), (866, 24739), (1903, 11258), (2249, 9526), (3806, 5629), (4498, 4763)]