21231548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2281}}^1$

素因数の和:2477

約数の個数: 24

約数和(自身を含む): 40254480

約数和(自身を除く): 19022932

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2281, 2327, 4562, 4654, 9124, 9308, 29653, 59306, 118612, 408299, 816598, 1633196, 5307887, 10615774, 21231548]

約数ペア:

[(1, 21231548), (2, 10615774), (4, 5307887), (13, 1633196), (26, 816598), (52, 408299), (179, 118612), (358, 59306), (716, 29653), (2281, 9308), (2327, 9124), (4562, 4654)]