21752676

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 60531744

約数和(自身を除く): 38779068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 163, 198, 326, 337, 396, 489, 652, 674, 978, 1011, 1348, 1467, 1793, 1956, 2022, 2934, 3033, 3586, 3707, 4044, 5379, 5868, 6066, 7172, 7414, 10758, 11121, 12132, 14828, 16137, 21516, 22242, 32274, 33363, 44484, 54931, 64548, 66726, 109862, 133452, 164793, 219724, 329586, 494379, 604241, 659172, 988758, 1208482, 1812723, 1977516, 2416964, 3625446, 5438169, 7250892, 10876338, 21752676]

約数ペア:

[(1, 21752676), (2, 10876338), (3, 7250892), (4, 5438169), (6, 3625446), (9, 2416964), (11, 1977516), (12, 1812723), (18, 1208482), (22, 988758), (33, 659172), (36, 604241), (44, 494379), (66, 329586), (99, 219724), (132, 164793), (163, 133452), (198, 109862), (326, 66726), (337, 64548), (396, 54931), (489, 44484), (652, 33363), (674, 32274), (978, 22242), (1011, 21516), (1348, 16137), (1467, 14828), (1793, 12132), (1956, 11121), (2022, 10758), (2934, 7414), (3033, 7172), (3586, 6066), (3707, 5868), (4044, 5379)]