21369505

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 26360640

約数和(自身を除く): 4991135

約数列:

[1, 5, 59, 107, 295, 535, 677, 3385, 6313, 31565, 39943, 72439, 199715, 362195, 4273901, 21369505]

約数ペア:

[(1, 21369505), (5, 4273901), (59, 362195), (107, 199715), (295, 72439), (535, 39943), (677, 31565), (3385, 6313)]