21519344

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17467}}^1$

素因数の和:17493

約数の個数: 40

約数和(自身を含む): 51984768

約数和(自身を除く): 30465424

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17467, 34934, 69868, 122269, 139736, 192137, 244538, 279472, 384274, 489076, 768548, 978152, 1344959, 1537096, 1956304, 2689918, 3074192, 5379836, 10759672, 21519344]

約数ペア:

[(1, 21519344), (2, 10759672), (4, 5379836), (7, 3074192), (8, 2689918), (11, 1956304), (14, 1537096), (16, 1344959), (22, 978152), (28, 768548), (44, 489076), (56, 384274), (77, 279472), (88, 244538), (112, 192137), (154, 139736), (176, 122269), (308, 69868), (616, 34934), (1232, 17467)]