21325429

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 24036480

約数和(自身を除く): 2711051

約数列:

[1, 17, 19, 103, 323, 641, 1751, 1957, 10897, 12179, 33269, 66023, 207043, 1122391, 1254437, 21325429]

約数ペア:

[(1, 21325429), (17, 1254437), (19, 1122391), (103, 207043), (323, 66023), (641, 33269), (1751, 12179), (1957, 10897)]