21935559

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{1123}}^1$

素因数の和:1526

約数の個数: 16

約数和(自身を含む): 31076352

約数和(自身を除く): 9140793

約数列:

[1, 3, 17, 51, 383, 1123, 1149, 3369, 6511, 19091, 19533, 57273, 430109, 1290327, 7311853, 21935559]

約数ペア:

[(1, 21935559), (3, 7311853), (17, 1290327), (51, 430109), (383, 57273), (1123, 19533), (1149, 19091), (3369, 6511)]