21037526406

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89903959}}^1$

素因数の和:89903980

約数の個数: 24

約数和(自身を含む): 49087562160

約数和(自身を除く): 28050035754

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89903959, 179807918, 269711877, 539423754, 809135631, 1168751467, 1618271262, 2337502934, 3506254401, 7012508802, 10518763203, 21037526406]

約数ペア:

[(1, 21037526406), (2, 10518763203), (3, 7012508802), (6, 3506254401), (9, 2337502934), (13, 1618271262), (18, 1168751467), (26, 809135631), (39, 539423754), (78, 269711877), (117, 179807918), (234, 89903959)]