21987668877

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1\times {\mathrm{3413}}^1$

素因数の和:4037

約数の個数: 32

約数和(自身を含む): 30421635072

約数和(自身を除く): 8433966195

約数列:

[1, 3, 37, 111, 127, 381, 457, 1371, 3413, 4699, 10239, 14097, 16909, 50727, 58039, 126281, 174117, 378843, 433451, 1300353, 1559741, 2147443, 4679223, 6442329, 16037687, 48113061, 57710417, 173131251, 198087107, 594261321, 7329222959, 21987668877]

約数ペア:

[(1, 21987668877), (3, 7329222959), (37, 594261321), (111, 198087107), (127, 173131251), (381, 57710417), (457, 48113061), (1371, 16037687), (3413, 6442329), (4699, 4679223), (10239, 2147443), (14097, 1559741), (16909, 1300353), (50727, 433451), (58039, 378843), (126281, 174117)]