21604078

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{2131}}^1$

素因数の和:2307

約数の個数: 16

約数和(自身を含む): 33540624

約数和(自身を除く): 11936546

約数列:

[1, 2, 37, 74, 137, 274, 2131, 4262, 5069, 10138, 78847, 157694, 291947, 583894, 10802039, 21604078]

約数ペア:

[(1, 21604078), (2, 10802039), (37, 583894), (74, 291947), (137, 157694), (274, 78847), (2131, 10138), (4262, 5069)]