21598850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 50996736

約数和(自身を除く): 29397886

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 47, 50, 65, 70, 91, 94, 101, 130, 175, 182, 202, 235, 325, 329, 350, 455, 470, 505, 611, 650, 658, 707, 910, 1010, 1175, 1222, 1313, 1414, 1645, 2275, 2350, 2525, 2626, 3055, 3290, 3535, 4277, 4550, 4747, 5050, 6110, 6565, 7070, 8225, 8554, 9191, 9494, 13130, 15275, 16450, 17675, 18382, 21385, 23735, 30550, 32825, 33229, 35350, 42770, 45955, 47470, 61711, 65650, 66458, 91910, 106925, 118675, 123422, 166145, 213850, 229775, 237350, 308555, 332290, 431977, 459550, 617110, 830725, 863954, 1542775, 1661450, 2159885, 3085550, 4319770, 10799425, 21598850]

約数ペア:

[(1, 21598850), (2, 10799425), (5, 4319770), (7, 3085550), (10, 2159885), (13, 1661450), (14, 1542775), (25, 863954), (26, 830725), (35, 617110), (47, 459550), (50, 431977), (65, 332290), (70, 308555), (91, 237350), (94, 229775), (101, 213850), (130, 166145), (175, 123422), (182, 118675), (202, 106925), (235, 91910), (325, 66458), (329, 65650), (350, 61711), (455, 47470), (470, 45955), (505, 42770), (611, 35350), (650, 33229), (658, 32825), (707, 30550), (910, 23735), (1010, 21385), (1175, 18382), (1222, 17675), (1313, 16450), (1414, 15275), (1645, 13130), (2275, 9494), (2350, 9191), (2525, 8554), (2626, 8225), (3055, 7070), (3290, 6565), (3535, 6110), (4277, 5050), (4550, 4747)]