21420804972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{36571}}^1$

素因数の和:36971

約数の個数: 96

約数和(自身を含む): 60294062080

約数和(自身を除く): 38873257108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 367, 399, 532, 734, 798, 1101, 1468, 1596, 2202, 2569, 4404, 5138, 6973, 7707, 10276, 13946, 15414, 20919, 27892, 30828, 36571, 41838, 48811, 73142, 83676, 97622, 109713, 146284, 146433, 195244, 219426, 255997, 292866, 438852, 511994, 585732, 694849, 767991, 1023988, 1389698, 1535982, 2084547, 2779396, 3071964, 4169094, 4863943, 8338188, 9727886, 13421557, 14591829, 19455772, 26843114, 29183658, 40264671, 53686228, 58367316, 80529342, 93950899, 161058684, 187901798, 255009583, 281852697, 375803596, 510019166, 563705394, 765028749, 1020038332, 1127410788, 1530057498, 1785067081, 3060114996, 3570134162, 5355201243, 7140268324, 10710402486, 21420804972]

約数ペア:

[(1, 21420804972), (2, 10710402486), (3, 7140268324), (4, 5355201243), (6, 3570134162), (7, 3060114996), (12, 1785067081), (14, 1530057498), (19, 1127410788), (21, 1020038332), (28, 765028749), (38, 563705394), (42, 510019166), (57, 375803596), (76, 281852697), (84, 255009583), (114, 187901798), (133, 161058684), (228, 93950899), (266, 80529342), (367, 58367316), (399, 53686228), (532, 40264671), (734, 29183658), (798, 26843114), (1101, 19455772), (1468, 14591829), (1596, 13421557), (2202, 9727886), (2569, 8338188), (4404, 4863943), (5138, 4169094), (6973, 3071964), (7707, 2779396), (10276, 2084547), (13946, 1535982), (15414, 1389698), (20919, 1023988), (27892, 767991), (30828, 694849), (36571, 585732), (41838, 511994), (48811, 438852), (73142, 292866), (83676, 255997), (97622, 219426), (109713, 195244), (146284, 146433)]