21934505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1223}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 6090199

約数列:

[1, 5, 17, 85, 211, 1055, 1223, 3587, 6115, 17935, 20791, 103955, 258053, 1290265, 4386901, 21934505]

約数ペア:

[(1, 21934505), (5, 4386901), (17, 1290265), (85, 258053), (211, 103955), (1055, 20791), (1223, 17935), (3587, 6115)]