21494384

素因数分解:

$2^4\times {\mathrm{631}}^1\times {\mathrm{2129}}^1$

素因数の和:2768

約数の個数: 20

約数和(自身を含む): 41730960

約数和(自身を除く): 20236576

約数列:

[1, 2, 4, 8, 16, 631, 1262, 2129, 2524, 4258, 5048, 8516, 10096, 17032, 34064, 1343399, 2686798, 5373596, 10747192, 21494384]

約数ペア:

[(1, 21494384), (2, 10747192), (4, 5373596), (8, 2686798), (16, 1343399), (631, 34064), (1262, 17032), (2129, 10096), (2524, 8516), (4258, 5048)]