21470636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2477}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 41214096

約数和(自身を除く): 19743460

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 2477, 4334, 4954, 8668, 9908, 27247, 54494, 108988, 487969, 975938, 1951876, 5367659, 10735318, 21470636]

約数ペア:

[(1, 21470636), (2, 10735318), (4, 5367659), (11, 1951876), (22, 975938), (44, 487969), (197, 108988), (394, 54494), (788, 27247), (2167, 9908), (2477, 8668), (4334, 4954)]