21252921

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{719}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 7777479

約数列:

[1, 3, 59, 167, 177, 501, 719, 2157, 9853, 29559, 42421, 120073, 127263, 360219, 7084307, 21252921]

約数ペア:

[(1, 21252921), (3, 7084307), (59, 360219), (167, 127263), (177, 120073), (501, 42421), (719, 29559), (2157, 9853)]