21435784

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65353}}^1$

素因数の和:65400

約数の個数: 16

約数和(自身を含む): 41173020

約数和(自身を除く): 19737236

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65353, 130706, 261412, 522824, 2679473, 5358946, 10717892, 21435784]

約数ペア:

[(1, 21435784), (2, 10717892), (4, 5358946), (8, 2679473), (41, 522824), (82, 261412), (164, 130706), (328, 65353)]