21207066

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{26981}}^1$

素因数の和:27117

約数の個数: 16

約数和(自身を含む): 42739488

約数和(自身を除く): 21532422

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 26981, 53962, 80943, 161886, 3534511, 7069022, 10603533, 21207066]

約数ペア:

[(1, 21207066), (2, 10603533), (3, 7069022), (6, 3534511), (131, 161886), (262, 80943), (393, 53962), (786, 26981)]