21201699

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2819}}^1$

素因数の和:2954

約数の個数: 16

約数和(自身を含む): 29779200

約数和(自身を除く): 8577501

約数列:

[1, 3, 23, 69, 109, 327, 2507, 2819, 7521, 8457, 64837, 194511, 307271, 921813, 7067233, 21201699]

約数ペア:

[(1, 21201699), (3, 7067233), (23, 921813), (69, 307271), (109, 194511), (327, 64837), (2507, 8457), (2819, 7521)]