21341572

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16217}}^1$

素因数の和:16275

約数の個数: 24

約数和(自身を含む): 43593984

約数和(自身を除く): 22252412

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 16217, 32434, 64868, 113519, 227038, 454076, 762199, 1524398, 3048796, 5335393, 10670786, 21341572]

約数ペア:

[(1, 21341572), (2, 10670786), (4, 5335393), (7, 3048796), (14, 1524398), (28, 762199), (47, 454076), (94, 227038), (188, 113519), (329, 64868), (658, 32434), (1316, 16217)]