21859085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2837}}^1$

素因数の和:2932

約数の個数: 16

約数和(自身を含む): 27789696

約数和(自身を除く): 5930611

約数列:

[1, 5, 23, 67, 115, 335, 1541, 2837, 7705, 14185, 65251, 190079, 326255, 950395, 4371817, 21859085]

約数ペア:

[(1, 21859085), (5, 4371817), (23, 950395), (67, 326255), (115, 190079), (335, 65251), (1541, 14185), (2837, 7705)]