21961082

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2534

約数の個数: 32

約数和(自身を含む): 39965184

約数和(自身を除く): 18004102

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 2477, 4433, 4954, 8866, 27247, 32201, 54494, 64402, 76787, 153574, 354211, 708422, 844657, 998231, 1689314, 1996462, 10980541, 21961082]

約数ペア:

[(1, 21961082), (2, 10980541), (11, 1996462), (13, 1689314), (22, 998231), (26, 844657), (31, 708422), (62, 354211), (143, 153574), (286, 76787), (341, 64402), (403, 54494), (682, 32201), (806, 27247), (2477, 8866), (4433, 4954)]