21415544

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86353}}^1$

素因数の和:86390

約数の個数: 16

約数和(自身を含む): 41449920

約数和(自身を除く): 20034376

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86353, 172706, 345412, 690824, 2676943, 5353886, 10707772, 21415544]

約数ペア:

[(1, 21415544), (2, 10707772), (4, 5353886), (8, 2676943), (31, 690824), (62, 345412), (124, 172706), (248, 86353)]