21000655218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{152178661}}^1$

素因数の和:152178689

約数の個数: 16

約数和(自身を含む): 43827454656

約数和(自身を除く): 22826799438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 152178661, 304357322, 456535983, 913071966, 3500109203, 7000218406, 10500327609, 21000655218]

約数ペア:

[(1, 21000655218), (2, 10500327609), (3, 7000218406), (6, 3500109203), (23, 913071966), (46, 456535983), (69, 304357322), (138, 152178661)]