21026246

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19949}}^1$

素因数の和:19999

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 13447354

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 19949, 39898, 339133, 618419, 678266, 1236838, 10513123, 21026246]

約数ペア:

[(1, 21026246), (2, 10513123), (17, 1236838), (31, 678266), (34, 618419), (62, 339133), (527, 39898), (1054, 19949)]