21963981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29641}}^1$

素因数の和:29676

約数の個数: 16

約数和(自身を含む): 33199040

約数和(自身を除く): 11235059

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 29641, 88923, 385333, 563179, 1155999, 1689537, 7321327, 21963981]

約数ペア:

[(1, 21963981), (3, 7321327), (13, 1689537), (19, 1155999), (39, 563179), (57, 385333), (247, 88923), (741, 29641)]