21560396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37693}}^1$

素因数の和:37721

約数の個数: 24

約数和(自身を含む): 44328144

約数和(自身を除く): 22767748

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37693, 75386, 150772, 414623, 490009, 829246, 980018, 1658492, 1960036, 5390099, 10780198, 21560396]

約数ペア:

[(1, 21560396), (2, 10780198), (4, 5390099), (11, 1960036), (13, 1658492), (22, 980018), (26, 829246), (44, 490009), (52, 414623), (143, 150772), (286, 75386), (572, 37693)]