21000837809

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{789713}}^1$

素因数の和:789880

約数の個数: 16

約数和(自身を含む): 25018139520

約数和(自身を除く): 4017301711

約数列:

[1, 7, 29, 131, 203, 917, 3799, 26593, 789713, 5527991, 22901677, 103452403, 160311739, 724166821, 3000119687, 21000837809]

約数ペア:

[(1, 21000837809), (7, 3000119687), (29, 724166821), (131, 160311739), (203, 103452403), (917, 22901677), (3799, 5527991), (26593, 789713)]