21645334

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:807

約数の個数: 16

約数和(自身を含む): 33026400

約数和(自身を除く): 11381066

約数列:

[1, 2, 89, 178, 277, 439, 554, 878, 24653, 39071, 49306, 78142, 121603, 243206, 10822667, 21645334]

約数ペア:

[(1, 21645334), (2, 10822667), (89, 243206), (178, 121603), (277, 78142), (439, 49306), (554, 39071), (878, 24653)]