21930448

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{10463}}^1$

素因数の和:10602

約数の個数: 20

約数和(自身を含む): 42818688

約数和(自身を除く): 20888240

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 10463, 20926, 41852, 83704, 167408, 1370653, 2741306, 5482612, 10965224, 21930448]

約数ペア:

[(1, 21930448), (2, 10965224), (4, 5482612), (8, 2741306), (16, 1370653), (131, 167408), (262, 83704), (524, 41852), (1048, 20926), (2096, 10463)]