21565852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70019}}^1$

素因数の和:70041

約数の個数: 24

約数和(自身を含む): 47053440

約数和(自身を除く): 25487588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70019, 140038, 280076, 490133, 770209, 980266, 1540418, 1960532, 3080836, 5391463, 10782926, 21565852]

約数ペア:

[(1, 21565852), (2, 10782926), (4, 5391463), (7, 3080836), (11, 1960532), (14, 1540418), (22, 980266), (28, 770209), (44, 490133), (77, 280076), (154, 140038), (308, 70019)]