21149631363

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32487913}}^1$

素因数の和:32487954

約数の個数: 16

約数和(自身を含む): 33267623936

約数和(自身を除く): 12117992573

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 32487913, 97463739, 227415391, 682246173, 1007125303, 3021375909, 7049877121, 21149631363]

約数ペア:

[(1, 21149631363), (3, 7049877121), (7, 3021375909), (21, 1007125303), (31, 682246173), (93, 227415391), (217, 97463739), (651, 32487913)]