21942648

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 192

約数和(自身を含む): 77837760

約数和(自身を除く): 55895112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 117, 119, 126, 136, 153, 156, 168, 182, 197, 204, 221, 234, 238, 252, 273, 306, 312, 357, 364, 394, 408, 442, 468, 476, 504, 546, 591, 612, 663, 714, 728, 788, 819, 884, 936, 952, 1071, 1092, 1182, 1224, 1326, 1379, 1428, 1547, 1576, 1638, 1768, 1773, 1989, 2142, 2184, 2364, 2561, 2652, 2758, 2856, 3094, 3276, 3349, 3546, 3978, 4137, 4284, 4641, 4728, 5122, 5304, 5516, 6188, 6552, 6698, 7092, 7683, 7956, 8274, 8568, 9282, 10047, 10244, 11032, 12376, 12411, 13396, 13923, 14184, 15366, 15912, 16548, 17927, 18564, 20094, 20488, 23049, 23443, 24822, 26792, 27846, 30141, 30732, 33096, 35854, 37128, 40188, 43537, 46098, 46886, 49644, 53781, 55692, 60282, 61464, 70329, 71708, 80376, 87074, 92196, 93772, 99288, 107562, 111384, 120564, 130611, 140658, 143416, 161343, 174148, 184392, 187544, 210987, 215124, 241128, 261222, 281316, 304759, 322686, 348296, 391833, 421974, 430248, 522444, 562632, 609518, 645372, 783666, 843948, 914277, 1044888, 1219036, 1290744, 1567332, 1687896, 1828554, 2438072, 2742831, 3134664, 3657108, 5485662, 7314216, 10971324, 21942648]

約数ペア:

[(1, 21942648), (2, 10971324), (3, 7314216), (4, 5485662), (6, 3657108), (7, 3134664), (8, 2742831), (9, 2438072), (12, 1828554), (13, 1687896), (14, 1567332), (17, 1290744), (18, 1219036), (21, 1044888), (24, 914277), (26, 843948), (28, 783666), (34, 645372), (36, 609518), (39, 562632), (42, 522444), (51, 430248), (52, 421974), (56, 391833), (63, 348296), (68, 322686), (72, 304759), (78, 281316), (84, 261222), (91, 241128), (102, 215124), (104, 210987), (117, 187544), (119, 184392), (126, 174148), (136, 161343), (153, 143416), (156, 140658), (168, 130611), (182, 120564), (197, 111384), (204, 107562), (221, 99288), (234, 93772), (238, 92196), (252, 87074), (273, 80376), (306, 71708), (312, 70329), (357, 61464), (364, 60282), (394, 55692), (408, 53781), (442, 49644), (468, 46886), (476, 46098), (504, 43537), (546, 40188), (591, 37128), (612, 35854), (663, 33096), (714, 30732), (728, 30141), (788, 27846), (819, 26792), (884, 24822), (936, 23443), (952, 23049), (1071, 20488), (1092, 20094), (1182, 18564), (1224, 17927), (1326, 16548), (1379, 15912), (1428, 15366), (1547, 14184), (1576, 13923), (1638, 13396), (1768, 12411), (1773, 12376), (1989, 11032), (2142, 10244), (2184, 10047), (2364, 9282), (2561, 8568), (2652, 8274), (2758, 7956), (2856, 7683), (3094, 7092), (3276, 6698), (3349, 6552), (3546, 6188), (3978, 5516), (4137, 5304), (4284, 5122), (4641, 4728)]