21124056

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 54996480

約数和(自身を除く): 33872424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 61, 94, 122, 141, 183, 188, 244, 282, 307, 366, 376, 488, 564, 614, 732, 921, 1128, 1228, 1464, 1842, 2456, 2867, 3684, 5734, 7368, 8601, 11468, 14429, 17202, 18727, 22936, 28858, 34404, 37454, 43287, 56181, 57716, 68808, 74908, 86574, 112362, 115432, 149816, 173148, 224724, 346296, 449448, 880169, 1760338, 2640507, 3520676, 5281014, 7041352, 10562028, 21124056]

約数ペア:

[(1, 21124056), (2, 10562028), (3, 7041352), (4, 5281014), (6, 3520676), (8, 2640507), (12, 1760338), (24, 880169), (47, 449448), (61, 346296), (94, 224724), (122, 173148), (141, 149816), (183, 115432), (188, 112362), (244, 86574), (282, 74908), (307, 68808), (366, 57716), (376, 56181), (488, 43287), (564, 37454), (614, 34404), (732, 28858), (921, 22936), (1128, 18727), (1228, 17202), (1464, 14429), (1842, 11468), (2456, 8601), (2867, 7368), (3684, 5734)]