21730113

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4547}}^1$

素因数の和:4618

約数の個数: 20

約数和(自身を含む): 33018480

約数和(自身を除く): 11288367

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4547, 4779, 13641, 40923, 122769, 268273, 368307, 804819, 2414457, 7243371, 21730113]

約数ペア:

[(1, 21730113), (3, 7243371), (9, 2414457), (27, 804819), (59, 368307), (81, 268273), (177, 122769), (531, 40923), (1593, 13641), (4547, 4779)]