21921687

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7541}}^1$

素因数の和:7583

約数の個数: 24

約数和(自身を含む): 35296560

約数和(自身を除く): 13374873

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7541, 22623, 67869, 128197, 143279, 384591, 429837, 1153773, 1289511, 2435743, 7307229, 21921687]

約数ペア:

[(1, 21921687), (3, 7307229), (9, 2435743), (17, 1289511), (19, 1153773), (51, 429837), (57, 384591), (153, 143279), (171, 128197), (323, 67869), (969, 22623), (2907, 7541)]