21139367030

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7469741}}^1$

素因数の和:7470031

約数の個数: 16

約数和(自身を含む): 38185321104

約数和(自身を除く): 17045954074

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 7469741, 14939482, 37348705, 74697410, 2113936703, 4227873406, 10569683515, 21139367030]

約数ペア:

[(1, 21139367030), (2, 10569683515), (5, 4227873406), (10, 2113936703), (283, 74697410), (566, 37348705), (1415, 14939482), (2830, 7469741)]