21360273

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{6673}}^1$

素因数の和:6784

約数の個数: 16

約数和(自身を含む): 31394496

約数和(自身を除く): 10034223

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 6673, 20019, 73403, 220209, 647281, 1941843, 7120091, 21360273]

約数ペア:

[(1, 21360273), (3, 7120091), (11, 1941843), (33, 647281), (97, 220209), (291, 73403), (1067, 20019), (3201, 6673)]