21229121116

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{8243}}^1$

素因数の和:8423

約数の個数: 96

約数和(自身を含む): 46092533760

約数和(自身を除く): 24863412644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 76, 94, 103, 133, 188, 206, 266, 329, 412, 532, 658, 721, 893, 1316, 1442, 1786, 1957, 2884, 3572, 3914, 4841, 6251, 7828, 8243, 9682, 12502, 13699, 16486, 19364, 25004, 27398, 32972, 33887, 54796, 57701, 67774, 91979, 115402, 135548, 156617, 183958, 230804, 313234, 367916, 387421, 626468, 643853, 774842, 849029, 1096319, 1287706, 1549684, 1698058, 2192638, 2575412, 2711947, 3396116, 4385276, 5423894, 5943203, 7360999, 10847788, 11886406, 14721998, 16131551, 23772812, 29443996, 32263102, 39904363, 51526993, 64526204, 79808726, 103053986, 112920857, 159617452, 206107972, 225841714, 279330541, 451683428, 558661082, 758182897, 1117322164, 1516365794, 3032731588, 5307280279, 10614560558, 21229121116]

約数ペア:

[(1, 21229121116), (2, 10614560558), (4, 5307280279), (7, 3032731588), (14, 1516365794), (19, 1117322164), (28, 758182897), (38, 558661082), (47, 451683428), (76, 279330541), (94, 225841714), (103, 206107972), (133, 159617452), (188, 112920857), (206, 103053986), (266, 79808726), (329, 64526204), (412, 51526993), (532, 39904363), (658, 32263102), (721, 29443996), (893, 23772812), (1316, 16131551), (1442, 14721998), (1786, 11886406), (1957, 10847788), (2884, 7360999), (3572, 5943203), (3914, 5423894), (4841, 4385276), (6251, 3396116), (7828, 2711947), (8243, 2575412), (9682, 2192638), (12502, 1698058), (13699, 1549684), (16486, 1287706), (19364, 1096319), (25004, 849029), (27398, 774842), (32972, 643853), (33887, 626468), (54796, 387421), (57701, 367916), (67774, 313234), (91979, 230804), (115402, 183958), (135548, 156617)]