21062469

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6263}}^1$

素因数の和:6344

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 9004731

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 6263, 18789, 118997, 356991, 369517, 1108551, 7020823, 21062469]

約数ペア:

[(1, 21062469), (3, 7020823), (19, 1108551), (57, 369517), (59, 356991), (177, 118997), (1121, 18789), (3363, 6263)]