21516715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5839}}^1$

素因数の和:5922

約数の個数: 16

約数和(自身を含む): 28592640

約数和(自身を除く): 7075925

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5839, 29195, 64229, 321145, 391213, 1956065, 4303343, 21516715]

約数ペア:

[(1, 21516715), (5, 4303343), (11, 1956065), (55, 391213), (67, 321145), (335, 64229), (737, 29195), (3685, 5839)]