21931287924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{127921}}^1$

素因数の和:128105

約数の個数: 96

約数和(自身を含む): 63383815936

約数和(自身を除く): 41452528012

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 157, 182, 273, 314, 364, 471, 546, 628, 942, 1092, 1099, 1884, 2041, 2198, 3297, 4082, 4396, 6123, 6594, 8164, 12246, 13188, 14287, 24492, 28574, 42861, 57148, 85722, 127921, 171444, 255842, 383763, 511684, 767526, 895447, 1535052, 1662973, 1790894, 2686341, 3325946, 3581788, 4988919, 5372682, 6651892, 9977838, 10745364, 11640811, 19955676, 20083597, 23281622, 34922433, 40167194, 46563244, 60250791, 69844866, 80334388, 120501582, 139689732, 140585179, 241003164, 261086761, 281170358, 421755537, 522173522, 562340716, 783260283, 843511074, 1044347044, 1566520566, 1687022148, 1827607327, 3133041132, 3655214654, 5482821981, 7310429308, 10965643962, 21931287924]

約数ペア:

[(1, 21931287924), (2, 10965643962), (3, 7310429308), (4, 5482821981), (6, 3655214654), (7, 3133041132), (12, 1827607327), (13, 1687022148), (14, 1566520566), (21, 1044347044), (26, 843511074), (28, 783260283), (39, 562340716), (42, 522173522), (52, 421755537), (78, 281170358), (84, 261086761), (91, 241003164), (156, 140585179), (157, 139689732), (182, 120501582), (273, 80334388), (314, 69844866), (364, 60250791), (471, 46563244), (546, 40167194), (628, 34922433), (942, 23281622), (1092, 20083597), (1099, 19955676), (1884, 11640811), (2041, 10745364), (2198, 9977838), (3297, 6651892), (4082, 5372682), (4396, 4988919), (6123, 3581788), (6594, 3325946), (8164, 2686341), (12246, 1790894), (13188, 1662973), (14287, 1535052), (24492, 895447), (28574, 767526), (42861, 511684), (57148, 383763), (85722, 255842), (127921, 171444)]