21590896

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{10301}}^1$

素因数の和:10440

約数の個数: 20

約数和(自身を含む): 42155784

約数和(自身を除く): 20564888

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 10301, 20602, 41204, 82408, 164816, 1349431, 2698862, 5397724, 10795448, 21590896]

約数ペア:

[(1, 21590896), (2, 10795448), (4, 5397724), (8, 2698862), (16, 1349431), (131, 164816), (262, 82408), (524, 41204), (1048, 20602), (2096, 10301)]