21066135

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37957}}^1$

素因数の和:38002

約数の個数: 16

約数和(自身を含む): 34617696

約数和(自身を除く): 13551561

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37957, 113871, 189785, 569355, 1404409, 4213227, 7022045, 21066135]

約数ペア:

[(1, 21066135), (3, 7022045), (5, 4213227), (15, 1404409), (37, 569355), (111, 189785), (185, 113871), (555, 37957)]