21881948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13441}}^1$

素因数の和:13493

約数の個数: 24

約数和(自身を含む): 42906864

約数和(自身を除く): 21024916

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13441, 26882, 53764, 147851, 295702, 497317, 591404, 994634, 1989268, 5470487, 10940974, 21881948]

約数ペア:

[(1, 21881948), (2, 10940974), (4, 5470487), (11, 1989268), (22, 994634), (37, 591404), (44, 497317), (74, 295702), (148, 147851), (407, 53764), (814, 26882), (1628, 13441)]