21551149000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1134271}}^1$

素因数の和:1134311

約数の個数: 64

約数和(自身を含む): 53083929600

約数和(自身を除く): 31532780600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3800, 4750, 9500, 19000, 1134271, 2268542, 4537084, 5671355, 9074168, 11342710, 21551149, 22685420, 28356775, 43102298, 45370840, 56713550, 86204596, 107755745, 113427100, 141783875, 172409192, 215511490, 226854200, 283567750, 431022980, 538778725, 567135500, 862045960, 1077557450, 1134271000, 2155114900, 2693893625, 4310229800, 5387787250, 10775574500, 21551149000]

約数ペア:

[(1, 21551149000), (2, 10775574500), (4, 5387787250), (5, 4310229800), (8, 2693893625), (10, 2155114900), (19, 1134271000), (20, 1077557450), (25, 862045960), (38, 567135500), (40, 538778725), (50, 431022980), (76, 283567750), (95, 226854200), (100, 215511490), (125, 172409192), (152, 141783875), (190, 113427100), (200, 107755745), (250, 86204596), (380, 56713550), (475, 45370840), (500, 43102298), (760, 28356775), (950, 22685420), (1000, 21551149), (1900, 11342710), (2375, 9074168), (3800, 5671355), (4750, 4537084), (9500, 2268542), (19000, 1134271)]