21493936

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22769}}^1$

素因数の和:22836

約数の個数: 20

約数和(自身を含む): 42352200

約数和(自身を除く): 20858264

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22769, 45538, 91076, 182152, 364304, 1343371, 2686742, 5373484, 10746968, 21493936]

約数ペア:

[(1, 21493936), (2, 10746968), (4, 5373484), (8, 2686742), (16, 1343371), (59, 364304), (118, 182152), (236, 91076), (472, 45538), (944, 22769)]