21716860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98713}}^1$

素因数の和:98733

約数の個数: 24

約数和(自身を含む): 49751856

約数和(自身を除く): 28034996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98713, 197426, 394852, 493565, 987130, 1085843, 1974260, 2171686, 4343372, 5429215, 10858430, 21716860]

約数ペア:

[(1, 21716860), (2, 10858430), (4, 5429215), (5, 4343372), (10, 2171686), (11, 1974260), (20, 1085843), (22, 987130), (44, 493565), (55, 394852), (110, 197426), (220, 98713)]