21697986

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{5471}}^1$

素因数の和:6137

約数の個数: 16

約数和(自身を含む): 43469568

約数和(自身を除く): 21771582

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 5471, 10942, 16413, 32826, 3616331, 7232662, 10848993, 21697986]

約数ペア:

[(1, 21697986), (2, 10848993), (3, 7232662), (6, 3616331), (661, 32826), (1322, 16413), (1983, 10942), (3966, 5471)]