21943412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{653}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 39846912

約数和(自身を除く): 17903500

約数列:

[1, 2, 4, 31, 62, 124, 271, 542, 653, 1084, 1306, 2612, 8401, 16802, 20243, 33604, 40486, 80972, 176963, 353926, 707852, 5485853, 10971706, 21943412]

約数ペア:

[(1, 21943412), (2, 10971706), (4, 5485853), (31, 707852), (62, 353926), (124, 176963), (271, 80972), (542, 40486), (653, 33604), (1084, 20243), (1306, 16802), (2612, 8401)]