21102135

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10739}}^1$

素因数の和:10878

約数の個数: 16

約数和(自身を含む): 34024320

約数和(自身を除く): 12922185

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10739, 32217, 53695, 161085, 1406809, 4220427, 7034045, 21102135]

約数ペア:

[(1, 21102135), (3, 7034045), (5, 4220427), (15, 1406809), (131, 161085), (393, 53695), (655, 32217), (1965, 10739)]