21552245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 9582859

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 701, 715, 2365, 2795, 3505, 6149, 7711, 9113, 30143, 30745, 38555, 45565, 100243, 150715, 331573, 391859, 501215, 1657865, 1959295, 4310449, 21552245]

約数ペア:

[(1, 21552245), (5, 4310449), (11, 1959295), (13, 1657865), (43, 501215), (55, 391859), (65, 331573), (143, 150715), (215, 100243), (473, 45565), (559, 38555), (701, 30745), (715, 30143), (2365, 9113), (2795, 7711), (3505, 6149)]