21370492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37361}}^1$

素因数の和:37389

約数の個数: 24

約数和(自身を含む): 43937712

約数和(自身を除く): 22567220

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37361, 74722, 149444, 410971, 485693, 821942, 971386, 1643884, 1942772, 5342623, 10685246, 21370492]

約数ペア:

[(1, 21370492), (2, 10685246), (4, 5342623), (11, 1942772), (13, 1643884), (22, 971386), (26, 821942), (44, 485693), (52, 410971), (143, 149444), (286, 74722), (572, 37361)]