21342516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136811}}^1$

素因数の和:136831

約数の個数: 24

約数和(自身を含む): 53630304

約数和(自身を除く): 32287788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136811, 273622, 410433, 547244, 820866, 1641732, 1778543, 3557086, 5335629, 7114172, 10671258, 21342516]

約数ペア:

[(1, 21342516), (2, 10671258), (3, 7114172), (4, 5335629), (6, 3557086), (12, 1778543), (13, 1641732), (26, 820866), (39, 547244), (52, 410433), (78, 273622), (156, 136811)]