21876907472

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{19531}}^1$

素因数の和:19756

約数の個数: 80

約数和(自身を含む): 49466274432

約数和(自身を除く): 27589366960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 137, 146, 274, 292, 511, 548, 584, 959, 1022, 1096, 1168, 1918, 2044, 2192, 3836, 4088, 7672, 8176, 10001, 15344, 19531, 20002, 39062, 40004, 70007, 78124, 80008, 136717, 140014, 156248, 160016, 273434, 280028, 312496, 546868, 560056, 1093736, 1120112, 1425763, 2187472, 2675747, 2851526, 5351494, 5703052, 9980341, 10702988, 11406104, 18730229, 19960682, 21405976, 22812208, 37460458, 39921364, 42811952, 74920916, 79842728, 149841832, 159685456, 195329531, 299683664, 390659062, 781318124, 1367306717, 1562636248, 2734613434, 3125272496, 5469226868, 10938453736, 21876907472]

約数ペア:

[(1, 21876907472), (2, 10938453736), (4, 5469226868), (7, 3125272496), (8, 2734613434), (14, 1562636248), (16, 1367306717), (28, 781318124), (56, 390659062), (73, 299683664), (112, 195329531), (137, 159685456), (146, 149841832), (274, 79842728), (292, 74920916), (511, 42811952), (548, 39921364), (584, 37460458), (959, 22812208), (1022, 21405976), (1096, 19960682), (1168, 18730229), (1918, 11406104), (2044, 10702988), (2192, 9980341), (3836, 5703052), (4088, 5351494), (7672, 2851526), (8176, 2675747), (10001, 2187472), (15344, 1425763), (19531, 1120112), (20002, 1093736), (39062, 560056), (40004, 546868), (70007, 312496), (78124, 280028), (80008, 273434), (136717, 160016), (140014, 156248)]