21869871

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{751}}^1$

素因数の和:1342

約数の個数: 16

約数和(自身を含む): 30970368

約数和(自身を除く): 9100497

約数列:

[1, 3, 17, 51, 571, 751, 1713, 2253, 9707, 12767, 29121, 38301, 428821, 1286463, 7289957, 21869871]

約数ペア:

[(1, 21869871), (3, 7289957), (17, 1286463), (51, 428821), (571, 38301), (751, 29121), (1713, 12767), (2253, 9707)]