21065935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{631}}^1$

素因数の和:1254

約数の個数: 16

約数和(自身を含む): 27666432

約数和(自身を除く): 6600497

約数列:

[1, 5, 11, 55, 607, 631, 3035, 3155, 6677, 6941, 33385, 34705, 383017, 1915085, 4213187, 21065935]

約数ペア:

[(1, 21065935), (5, 4213187), (11, 1915085), (55, 383017), (607, 34705), (631, 33385), (3035, 6941), (3155, 6677)]