21651597

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{72901}}^1$

素因数の和:72921

約数の個数: 16

約数和(自身を含む): 34992960

約数和(自身を除く): 13341363

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 72901, 218703, 656109, 801911, 1968327, 2405733, 7217199, 21651597]

約数ペア:

[(1, 21651597), (3, 7217199), (9, 2405733), (11, 1968327), (27, 801911), (33, 656109), (99, 218703), (297, 72901)]