21079730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13093}}^1$

素因数の和:13130

約数の個数: 32

約数和(自身を含む): 45252864

約数和(自身を除く): 24173134

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13093, 26186, 65465, 91651, 130930, 183302, 301139, 458255, 602278, 916510, 1505695, 2107973, 3011390, 4215946, 10539865, 21079730]

約数ペア:

[(1, 21079730), (2, 10539865), (5, 4215946), (7, 3011390), (10, 2107973), (14, 1505695), (23, 916510), (35, 602278), (46, 458255), (70, 301139), (115, 183302), (161, 130930), (230, 91651), (322, 65465), (805, 26186), (1610, 13093)]