21549035

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 26384736

約数和(自身を除く): 4835701

約数列:

[1, 5, 97, 157, 283, 485, 785, 1415, 15229, 27451, 44431, 76145, 137255, 222155, 4309807, 21549035]

約数ペア:

[(1, 21549035), (5, 4309807), (97, 222155), (157, 137255), (283, 76145), (485, 44431), (785, 27451), (1415, 15229)]