21489629

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 25415040

約数和(自身を除く): 3925411

約数列:

[1, 7, 59, 61, 413, 427, 853, 3599, 5971, 25193, 50327, 52033, 352289, 364231, 3069947, 21489629]

約数ペア:

[(1, 21489629), (7, 3069947), (59, 364231), (61, 352289), (413, 52033), (427, 50327), (853, 25193), (3599, 5971)]