21360778810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1559}}^1\times {\mathrm{195737}}^1$

素因数の和:197310

約数の個数: 32

約数和(自身を含む): 43970584320

約数和(自身を除く): 22609805510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1559, 3118, 7795, 10913, 15590, 21826, 54565, 109130, 195737, 391474, 978685, 1370159, 1957370, 2740318, 6850795, 13701590, 305153983, 610307966, 1525769915, 2136077881, 3051539830, 4272155762, 10680389405, 21360778810]

約数ペア:

[(1, 21360778810), (2, 10680389405), (5, 4272155762), (7, 3051539830), (10, 2136077881), (14, 1525769915), (35, 610307966), (70, 305153983), (1559, 13701590), (3118, 6850795), (7795, 2740318), (10913, 1957370), (15590, 1370159), (21826, 978685), (54565, 391474), (109130, 195737)]