21002084

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73951}}^1$

素因数の和:74026

約数の個数: 12

約数和(自身を含む): 37271808

約数和(自身を除く): 16269724

約数列:

[1, 2, 4, 71, 142, 284, 73951, 147902, 295804, 5250521, 10501042, 21002084]

約数ペア:

[(1, 21002084), (2, 10501042), (4, 5250521), (71, 295804), (142, 147902), (284, 73951)]