21633944

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{19739}}^1$

素因数の和:19882

約数の個数: 16

約数和(自身を含む): 40861800

約数和(自身を除く): 19227856

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 19739, 39478, 78956, 157912, 2704243, 5408486, 10816972, 21633944]

約数ペア:

[(1, 21633944), (2, 10816972), (4, 5408486), (8, 2704243), (137, 157912), (274, 78956), (548, 39478), (1096, 19739)]