21862000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:683

約数の個数: 80

約数和(自身を含む): 56058912

約数和(自身を除く): 34196912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 643, 680, 850, 1000, 1286, 1360, 1700, 2000, 2125, 2572, 3215, 3400, 4250, 5144, 6430, 6800, 8500, 10288, 10931, 12860, 16075, 17000, 21862, 25720, 32150, 34000, 43724, 51440, 54655, 64300, 80375, 87448, 109310, 128600, 160750, 174896, 218620, 257200, 273275, 321500, 437240, 546550, 643000, 874480, 1093100, 1286000, 1366375, 2186200, 2732750, 4372400, 5465500, 10931000, 21862000]

約数ペア:

[(1, 21862000), (2, 10931000), (4, 5465500), (5, 4372400), (8, 2732750), (10, 2186200), (16, 1366375), (17, 1286000), (20, 1093100), (25, 874480), (34, 643000), (40, 546550), (50, 437240), (68, 321500), (80, 273275), (85, 257200), (100, 218620), (125, 174896), (136, 160750), (170, 128600), (200, 109310), (250, 87448), (272, 80375), (340, 64300), (400, 54655), (425, 51440), (500, 43724), (643, 34000), (680, 32150), (850, 25720), (1000, 21862), (1286, 17000), (1360, 16075), (1700, 12860), (2000, 10931), (2125, 10288), (2572, 8500), (3215, 6800), (3400, 6430), (4250, 5144)]