21862064840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{11467}}^1$

素因数の和:12115

約数の個数: 128

約数和(自身を含む): 61431782400

約数和(自身を除く): 39569717560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 619, 770, 1238, 1540, 2476, 3080, 3095, 4333, 4952, 6190, 6809, 8666, 11467, 12380, 13618, 17332, 21665, 22934, 24760, 27236, 34045, 34664, 43330, 45868, 47663, 54472, 57335, 68090, 80269, 86660, 91736, 95326, 114670, 126137, 136180, 160538, 173320, 190652, 229340, 238315, 252274, 272360, 321076, 381304, 401345, 458680, 476630, 504548, 630685, 642152, 802690, 882959, 953260, 1009096, 1261370, 1605380, 1765918, 1906520, 2522740, 3210760, 3531836, 4414795, 5045480, 7063672, 7098073, 8829590, 14196146, 17659180, 28392292, 35318360, 35490365, 49686511, 56784584, 70980730, 78078803, 99373022, 141961460, 156157606, 198746044, 248432555, 283922920, 312315212, 390394015, 397492088, 496865110, 546551621, 624630424, 780788030, 993730220, 1093103242, 1561576060, 1987460440, 2186206484, 2732758105, 3123152120, 4372412968, 5465516210, 10931032420, 21862064840]

約数ペア:

[(1, 21862064840), (2, 10931032420), (4, 5465516210), (5, 4372412968), (7, 3123152120), (8, 2732758105), (10, 2186206484), (11, 1987460440), (14, 1561576060), (20, 1093103242), (22, 993730220), (28, 780788030), (35, 624630424), (40, 546551621), (44, 496865110), (55, 397492088), (56, 390394015), (70, 312315212), (77, 283922920), (88, 248432555), (110, 198746044), (140, 156157606), (154, 141961460), (220, 99373022), (280, 78078803), (308, 70980730), (385, 56784584), (440, 49686511), (616, 35490365), (619, 35318360), (770, 28392292), (1238, 17659180), (1540, 14196146), (2476, 8829590), (3080, 7098073), (3095, 7063672), (4333, 5045480), (4952, 4414795), (6190, 3531836), (6809, 3210760), (8666, 2522740), (11467, 1906520), (12380, 1765918), (13618, 1605380), (17332, 1261370), (21665, 1009096), (22934, 953260), (24760, 882959), (27236, 802690), (34045, 642152), (34664, 630685), (43330, 504548), (45868, 476630), (47663, 458680), (54472, 401345), (57335, 381304), (68090, 321076), (80269, 272360), (86660, 252274), (91736, 238315), (95326, 229340), (114670, 190652), (126137, 173320), (136180, 160538)]