21211839

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1283}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 33651072

約数和(自身を除く): 12439233

約数列:

[1, 3, 9, 11, 33, 99, 167, 501, 1283, 1503, 1837, 3849, 5511, 11547, 14113, 16533, 42339, 127017, 214261, 642783, 1928349, 2356871, 7070613, 21211839]

約数ペア:

[(1, 21211839), (3, 7070613), (9, 2356871), (11, 1928349), (33, 642783), (99, 214261), (167, 127017), (501, 42339), (1283, 16533), (1503, 14113), (1837, 11547), (3849, 5511)]