21215422000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{623983}}^1$

素因数の和:624023

約数の個数: 80

約数和(自身を含む): 54316559232

約数和(自身を除く): 33101137232

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, 680, 850, 1000, 1360, 1700, 2000, 2125, 3400, 4250, 6800, 8500, 17000, 34000, 623983, 1247966, 2495932, 3119915, 4991864, 6239830, 9983728, 10607711, 12479660, 15599575, 21215422, 24959320, 31199150, 42430844, 49918640, 53038555, 62398300, 77997875, 84861688, 106077110, 124796600, 155995750, 169723376, 212154220, 249593200, 265192775, 311991500, 424308440, 530385550, 623983000, 848616880, 1060771100, 1247966000, 1325963875, 2121542200, 2651927750, 4243084400, 5303855500, 10607711000, 21215422000]

約数ペア:

[(1, 21215422000), (2, 10607711000), (4, 5303855500), (5, 4243084400), (8, 2651927750), (10, 2121542200), (16, 1325963875), (17, 1247966000), (20, 1060771100), (25, 848616880), (34, 623983000), (40, 530385550), (50, 424308440), (68, 311991500), (80, 265192775), (85, 249593200), (100, 212154220), (125, 169723376), (136, 155995750), (170, 124796600), (200, 106077110), (250, 84861688), (272, 77997875), (340, 62398300), (400, 53038555), (425, 49918640), (500, 42430844), (680, 31199150), (850, 24959320), (1000, 21215422), (1360, 15599575), (1700, 12479660), (2000, 10607711), (2125, 9983728), (3400, 6239830), (4250, 4991864), (6800, 3119915), (8500, 2495932), (17000, 1247966), (34000, 623983)]