21511204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37607}}^1$

素因数の和:37635

約数の個数: 24

約数和(自身を含む): 44227008

約数和(自身を除く): 22715804

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37607, 75214, 150428, 413677, 488891, 827354, 977782, 1654708, 1955564, 5377801, 10755602, 21511204]

約数ペア:

[(1, 21511204), (2, 10755602), (4, 5377801), (11, 1955564), (13, 1654708), (22, 977782), (26, 827354), (44, 488891), (52, 413677), (143, 150428), (286, 75214), (572, 37607)]