21568047

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 29320032

約数和(自身を除く): 7751985

約数列:

[1, 3, 97, 137, 291, 411, 541, 1623, 13289, 39867, 52477, 74117, 157431, 222351, 7189349, 21568047]

約数ペア:

[(1, 21568047), (3, 7189349), (97, 222351), (137, 157431), (291, 74117), (411, 52477), (541, 39867), (1623, 13289)]