21090702

素因数分解:

$2^1\times 3^1\times {\mathrm{691}}^1\times {\mathrm{5087}}^1$

素因数の和:5783

約数の個数: 16

約数和(自身を含む): 42250752

約数和(自身を除く): 21160050

約数列:

[1, 2, 3, 6, 691, 1382, 2073, 4146, 5087, 10174, 15261, 30522, 3515117, 7030234, 10545351, 21090702]

約数ペア:

[(1, 21090702), (2, 10545351), (3, 7030234), (6, 3515117), (691, 30522), (1382, 15261), (2073, 10174), (4146, 5087)]