21394308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137143}}^1$

素因数の和:137163

約数の個数: 24

約数和(自身を含む): 53760448

約数和(自身を除く): 32366140

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137143, 274286, 411429, 548572, 822858, 1645716, 1782859, 3565718, 5348577, 7131436, 10697154, 21394308]

約数ペア:

[(1, 21394308), (2, 10697154), (3, 7131436), (4, 5348577), (6, 3565718), (12, 1782859), (13, 1645716), (26, 822858), (39, 548572), (52, 411429), (78, 274286), (156, 137143)]