21931395

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{50417}}^1$

素因数の和:50454

約数の個数: 16

約数和(自身を含む): 36300960

約数和(自身を除く): 14369565

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 50417, 151251, 252085, 756255, 1462093, 4386279, 7310465, 21931395]

約数ペア:

[(1, 21931395), (3, 7310465), (5, 4386279), (15, 1462093), (29, 756255), (87, 252085), (145, 151251), (435, 50417)]