21306654

素因数分解:

$2^1\times 3^2\times {\mathrm{613}}^1\times {\mathrm{1931}}^1$

素因数の和:2552

約数の個数: 24

約数和(自身を含む): 46263672

約数和(自身を除く): 24957018

約数列:

[1, 2, 3, 6, 9, 18, 613, 1226, 1839, 1931, 3678, 3862, 5517, 5793, 11034, 11586, 17379, 34758, 1183703, 2367406, 3551109, 7102218, 10653327, 21306654]

約数ペア:

[(1, 21306654), (2, 10653327), (3, 7102218), (6, 3551109), (9, 2367406), (18, 1183703), (613, 34758), (1226, 17379), (1839, 11586), (1931, 11034), (3678, 5793), (3862, 5517)]