21861470

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{7121}}^1$

素因数の和:7435

約数の個数: 16

約数和(自身を含む): 39484368

約数和(自身を除く): 17622898

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 7121, 14242, 35605, 71210, 2186147, 4372294, 10930735, 21861470]

約数ペア:

[(1, 21861470), (2, 10930735), (5, 4372294), (10, 2186147), (307, 71210), (614, 35605), (1535, 14242), (3070, 7121)]