21873900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4289}}^1$

素因数の和:4323

約数の個数: 72

約数和(自身を含む): 67026960

約数和(自身を除く): 45153060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4289, 5100, 8578, 12867, 17156, 21445, 25734, 42890, 51468, 64335, 72913, 85780, 107225, 128670, 145826, 214450, 218739, 257340, 291652, 321675, 364565, 428900, 437478, 643350, 729130, 874956, 1093695, 1286700, 1458260, 1822825, 2187390, 3645650, 4374780, 5468475, 7291300, 10936950, 21873900]

約数ペア:

[(1, 21873900), (2, 10936950), (3, 7291300), (4, 5468475), (5, 4374780), (6, 3645650), (10, 2187390), (12, 1822825), (15, 1458260), (17, 1286700), (20, 1093695), (25, 874956), (30, 729130), (34, 643350), (50, 437478), (51, 428900), (60, 364565), (68, 321675), (75, 291652), (85, 257340), (100, 218739), (102, 214450), (150, 145826), (170, 128670), (204, 107225), (255, 85780), (300, 72913), (340, 64335), (425, 51468), (510, 42890), (850, 25734), (1020, 21445), (1275, 17156), (1700, 12867), (2550, 8578), (4289, 5100)]