21992235

素因数分解:

$3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4201}}^1$

素因数の和:4558

約数の個数: 16

約数和(自身を含む): 35296800

約数和(自身を除く): 13304565

約数列:

[1, 3, 5, 15, 349, 1047, 1745, 4201, 5235, 12603, 21005, 63015, 1466149, 4398447, 7330745, 21992235]

約数ペア:

[(1, 21992235), (3, 7330745), (5, 4398447), (15, 1466149), (349, 63015), (1047, 21005), (1745, 12603), (4201, 5235)]