21134564864

素因数分解:

$2^9\times 7^1\times {\mathrm{97}}^1\times {\mathrm{60793}}^1$

素因数の和:60915

約数の個数: 80

約数和(自身を含む): 48758733408

約数和(自身を除く): 27624168544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 224, 256, 388, 448, 512, 679, 776, 896, 1358, 1552, 1792, 2716, 3104, 3584, 5432, 6208, 10864, 12416, 21728, 24832, 43456, 49664, 60793, 86912, 121586, 173824, 243172, 347648, 425551, 486344, 851102, 972688, 1702204, 1945376, 3404408, 3890752, 5896921, 6808816, 7781504, 11793842, 13617632, 15563008, 23587684, 27235264, 31126016, 41278447, 47175368, 54470528, 82556894, 94350736, 108941056, 165113788, 188701472, 217882112, 330227576, 377402944, 660455152, 754805888, 1320910304, 1509611776, 2641820608, 3019223552, 5283641216, 10567282432, 21134564864]

約数ペア:

[(1, 21134564864), (2, 10567282432), (4, 5283641216), (7, 3019223552), (8, 2641820608), (14, 1509611776), (16, 1320910304), (28, 754805888), (32, 660455152), (56, 377402944), (64, 330227576), (97, 217882112), (112, 188701472), (128, 165113788), (194, 108941056), (224, 94350736), (256, 82556894), (388, 54470528), (448, 47175368), (512, 41278447), (679, 31126016), (776, 27235264), (896, 23587684), (1358, 15563008), (1552, 13617632), (1792, 11793842), (2716, 7781504), (3104, 6808816), (3584, 5896921), (5432, 3890752), (6208, 3404408), (10864, 1945376), (12416, 1702204), (21728, 972688), (24832, 851102), (43456, 486344), (49664, 425551), (60793, 347648), (86912, 243172), (121586, 173824)]