21080590971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{217207}}^1$

素因数の和:217411

約数の個数: 32

約数和(自身を含む): 32654181888

約数和(自身を除く): 11573590917

約数列:

[1, 3, 11, 17, 33, 51, 173, 187, 519, 561, 1903, 2941, 5709, 8823, 32351, 97053, 217207, 651621, 2389277, 3692519, 7167831, 11077557, 37576811, 40617709, 112730433, 121853127, 413344921, 638805787, 1240034763, 1916417361, 7026863657, 21080590971]

約数ペア:

[(1, 21080590971), (3, 7026863657), (11, 1916417361), (17, 1240034763), (33, 638805787), (51, 413344921), (173, 121853127), (187, 112730433), (519, 40617709), (561, 37576811), (1903, 11077557), (2941, 7167831), (5709, 3692519), (8823, 2389277), (32351, 651621), (97053, 217207)]