21000974042

素因数分解:

$2^1\times {\mathrm{1571}}^1\times {\mathrm{6683951}}^1$

素因数の和:6685524

約数の個数: 8

約数和(自身を含む): 31521517632

約数和(自身を除く): 10520543590

約数列:

[1, 2, 1571, 3142, 6683951, 13367902, 10500487021, 21000974042]

約数ペア:

[(1, 21000974042), (2, 10500487021), (1571, 13367902), (3142, 6683951)]