21619950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13103}}^1$

素因数の和:13129

約数の個数: 48

約数和(自身を含む): 58496256

約数和(自身を除く): 36876306

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 13103, 26206, 39309, 65515, 78618, 131030, 144133, 196545, 288266, 327575, 393090, 432399, 655150, 720665, 864798, 982725, 1441330, 1965450, 2161995, 3603325, 4323990, 7206650, 10809975, 21619950]

約数ペア:

[(1, 21619950), (2, 10809975), (3, 7206650), (5, 4323990), (6, 3603325), (10, 2161995), (11, 1965450), (15, 1441330), (22, 982725), (25, 864798), (30, 720665), (33, 655150), (50, 432399), (55, 393090), (66, 327575), (75, 288266), (110, 196545), (150, 144133), (165, 131030), (275, 78618), (330, 65515), (550, 39309), (825, 26206), (1650, 13103)]