21467272

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65449}}^1$

素因数の和:65496

約数の個数: 16

約数和(自身を含む): 41233500

約数和(自身を除く): 19766228

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65449, 130898, 261796, 523592, 2683409, 5366818, 10733636, 21467272]

約数ペア:

[(1, 21467272), (2, 10733636), (4, 5366818), (8, 2683409), (41, 523592), (82, 261796), (164, 130898), (328, 65449)]