21081921

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59053}}^1$

素因数の和:59080

約数の個数: 16

約数和(自身を含む): 34015104

約数和(自身を除く): 12933183

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59053, 177159, 413371, 1003901, 1240113, 3011703, 7027307, 21081921]

約数ペア:

[(1, 21081921), (3, 7027307), (7, 3011703), (17, 1240113), (21, 1003901), (51, 413371), (119, 177159), (357, 59053)]