21724528

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4127}}^1$

素因数の和:4189

約数の個数: 40

約数和(自身を含む): 49139712

約数和(自身を除く): 27415184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 4127, 5264, 8254, 16508, 28889, 33016, 57778, 66032, 115556, 193969, 231112, 387938, 462224, 775876, 1357783, 1551752, 2715566, 3103504, 5431132, 10862264, 21724528]

約数ペア:

[(1, 21724528), (2, 10862264), (4, 5431132), (7, 3103504), (8, 2715566), (14, 1551752), (16, 1357783), (28, 775876), (47, 462224), (56, 387938), (94, 231112), (112, 193969), (188, 115556), (329, 66032), (376, 57778), (658, 33016), (752, 28889), (1316, 16508), (2632, 8254), (4127, 5264)]