21858379

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 4407221

約数列:

[1, 17, 19, 31, 37, 59, 323, 527, 589, 629, 703, 1003, 1121, 1147, 1829, 2183, 10013, 11951, 19057, 19499, 21793, 31093, 34751, 37111, 41477, 67673, 370481, 590767, 705109, 1150441, 1285787, 21858379]

約数ペア:

[(1, 21858379), (17, 1285787), (19, 1150441), (31, 705109), (37, 590767), (59, 370481), (323, 67673), (527, 41477), (589, 37111), (629, 34751), (703, 31093), (1003, 21793), (1121, 19499), (1147, 19057), (1829, 11951), (2183, 10013)]