21175396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13007}}^1$

素因数の和:13059

約数の個数: 24

約数和(自身を含む): 41521536

約数和(自身を除く): 20346140

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13007, 26014, 52028, 143077, 286154, 481259, 572308, 962518, 1925036, 5293849, 10587698, 21175396]

約数ペア:

[(1, 21175396), (2, 10587698), (4, 5293849), (11, 1925036), (22, 962518), (37, 572308), (44, 481259), (74, 286154), (148, 143077), (407, 52028), (814, 26014), (1628, 13007)]