21030273

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23603}}^1$

素因数の和:23626

約数の個数: 20

約数和(自身を含む): 34273008

約数和(自身を除く): 13242735

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23603, 70809, 212427, 259633, 637281, 778899, 1911843, 2336697, 7010091, 21030273]

約数ペア:

[(1, 21030273), (3, 7010091), (9, 2336697), (11, 1911843), (27, 778899), (33, 637281), (81, 259633), (99, 212427), (297, 70809), (891, 23603)]