21486256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122081}}^1$

素因数の和:122100

約数の個数: 20

約数和(自身を含む): 45414504

約数和(自身を除く): 23928248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122081, 244162, 488324, 976648, 1342891, 1953296, 2685782, 5371564, 10743128, 21486256]

約数ペア:

[(1, 21486256), (2, 10743128), (4, 5371564), (8, 2685782), (11, 1953296), (16, 1342891), (22, 976648), (44, 488324), (88, 244162), (176, 122081)]