21032031

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8581}}^1$

素因数の和:8646

約数の個数: 16

約数和(自身を含む): 30208640

約数和(自身を除く): 9176609

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8581, 25743, 163039, 368983, 489117, 1106949, 7010677, 21032031]

約数ペア:

[(1, 21032031), (3, 7010677), (19, 1106949), (43, 489117), (57, 368983), (129, 163039), (817, 25743), (2451, 8581)]