21268497

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 29134080

約数和(自身を除く): 7865583

約数列:

[1, 3, 59, 107, 177, 321, 1123, 3369, 6313, 18939, 66257, 120161, 198771, 360483, 7089499, 21268497]

約数ペア:

[(1, 21268497), (3, 7089499), (59, 360483), (107, 198771), (177, 120161), (321, 66257), (1123, 18939), (3369, 6313)]