21800795

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 27025920

約数和(自身を除く): 5225125

約数列:

[1, 5, 59, 67, 295, 335, 1103, 3953, 5515, 19765, 65077, 73901, 325385, 369505, 4360159, 21800795]

約数ペア:

[(1, 21800795), (5, 4360159), (59, 369505), (67, 325385), (295, 73901), (335, 65077), (1103, 19765), (3953, 5515)]