21615202

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{29131}}^1$

素因数の和:29193

約数の個数: 16

約数和(自身を含む): 37755072

約数和(自身を除く): 16139870

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 29131, 58262, 203917, 407834, 1543943, 3087886, 10807601, 21615202]

約数ペア:

[(1, 21615202), (2, 10807601), (7, 3087886), (14, 1543943), (53, 407834), (106, 203917), (371, 58262), (742, 29131)]