21107718

素因数分解:

$2^1\times 3^2\times {\mathrm{727}}^1\times {\mathrm{1613}}^1$

素因数の和:2348

約数の個数: 24

約数和(自身を含む): 45824688

約数和(自身を除く): 24716970

約数列:

[1, 2, 3, 6, 9, 18, 727, 1454, 1613, 2181, 3226, 4362, 4839, 6543, 9678, 13086, 14517, 29034, 1172651, 2345302, 3517953, 7035906, 10553859, 21107718]

約数ペア:

[(1, 21107718), (2, 10553859), (3, 7035906), (6, 3517953), (9, 2345302), (18, 1172651), (727, 29034), (1454, 14517), (1613, 13086), (2181, 9678), (3226, 6543), (4362, 4839)]