21698469

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61819}}^1$

素因数の和:61841

約数の個数: 16

約数和(自身を含む): 34619200

約数和(自身を除く): 12920731

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 61819, 185457, 556371, 803647, 1669113, 2410941, 7232823, 21698469]

約数ペア:

[(1, 21698469), (3, 7232823), (9, 2410941), (13, 1669113), (27, 803647), (39, 556371), (117, 185457), (351, 61819)]