21588513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{5303}}^1$

素因数の和:5388

約数の個数: 16

約数和(自身を含む): 30551040

約数和(自身を除く): 8962527

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 5303, 15909, 121969, 312877, 365907, 938631, 7196171, 21588513]

約数ペア:

[(1, 21588513), (3, 7196171), (23, 938631), (59, 365907), (69, 312877), (177, 121969), (1357, 15909), (4071, 5303)]