21712295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6691}}^1$

素因数の和:6766

約数の個数: 16

約数和(自身を含む): 28909440

約数和(自身を除く): 7197145

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6691, 33455, 73601, 368005, 394769, 1973845, 4342459, 21712295]

約数ペア:

[(1, 21712295), (5, 4342459), (11, 1973845), (55, 394769), (59, 368005), (295, 73601), (649, 33455), (3245, 6691)]