21121935200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{2011}}^1$

素因数の和:2741

約数の個数: 144

約数和(自身を含む): 54383394240

約数和(自身を除く): 33261459040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 691, 760, 800, 950, 1382, 1520, 1900, 2011, 2764, 3040, 3455, 3800, 4022, 5528, 6910, 7600, 8044, 10055, 11056, 13129, 13820, 15200, 16088, 17275, 20110, 22112, 26258, 27640, 32176, 34550, 38209, 40220, 50275, 52516, 55280, 64352, 65645, 69100, 76418, 80440, 100550, 105032, 110560, 131290, 138200, 152836, 160880, 191045, 201100, 210064, 262580, 276400, 305672, 321760, 328225, 382090, 402200, 420128, 525160, 552800, 611344, 656450, 764180, 804400, 955225, 1050320, 1222688, 1312900, 1389601, 1528360, 1608800, 1910450, 2100640, 2625800, 2779202, 3056720, 3820900, 5251600, 5558404, 6113440, 6948005, 7641800, 10503200, 11116808, 13896010, 15283600, 22233616, 26402419, 27792020, 30567200, 34740025, 44467232, 52804838, 55584040, 69480050, 105609676, 111168080, 132012095, 138960100, 211219352, 222336160, 264024190, 277920200, 422438704, 528048380, 555840400, 660060475, 844877408, 1056096760, 1111680800, 1320120950, 2112193520, 2640241900, 4224387040, 5280483800, 10560967600, 21121935200]

約数ペア:

[(1, 21121935200), (2, 10560967600), (4, 5280483800), (5, 4224387040), (8, 2640241900), (10, 2112193520), (16, 1320120950), (19, 1111680800), (20, 1056096760), (25, 844877408), (32, 660060475), (38, 555840400), (40, 528048380), (50, 422438704), (76, 277920200), (80, 264024190), (95, 222336160), (100, 211219352), (152, 138960100), (160, 132012095), (190, 111168080), (200, 105609676), (304, 69480050), (380, 55584040), (400, 52804838), (475, 44467232), (608, 34740025), (691, 30567200), (760, 27792020), (800, 26402419), (950, 22233616), (1382, 15283600), (1520, 13896010), (1900, 11116808), (2011, 10503200), (2764, 7641800), (3040, 6948005), (3455, 6113440), (3800, 5558404), (4022, 5251600), (5528, 3820900), (6910, 3056720), (7600, 2779202), (8044, 2625800), (10055, 2100640), (11056, 1910450), (13129, 1608800), (13820, 1528360), (15200, 1389601), (16088, 1312900), (17275, 1222688), (20110, 1050320), (22112, 955225), (26258, 804400), (27640, 764180), (32176, 656450), (34550, 611344), (38209, 552800), (40220, 525160), (50275, 420128), (52516, 402200), (55280, 382090), (64352, 328225), (65645, 321760), (69100, 305672), (76418, 276400), (80440, 262580), (100550, 210064), (105032, 201100), (110560, 191045), (131290, 160880), (138200, 152836)]