21460392

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 62548200

約数和(自身を除く): 41087808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 89, 102, 136, 153, 178, 197, 204, 267, 306, 356, 394, 408, 534, 591, 612, 712, 788, 801, 1068, 1182, 1224, 1513, 1576, 1602, 1773, 2136, 2364, 3026, 3204, 3349, 3546, 4539, 4728, 6052, 6408, 6698, 7092, 9078, 10047, 12104, 13396, 13617, 14184, 17533, 18156, 20094, 26792, 27234, 30141, 35066, 36312, 40188, 52599, 54468, 60282, 70132, 80376, 105198, 108936, 120564, 140264, 157797, 210396, 241128, 298061, 315594, 420792, 596122, 631188, 894183, 1192244, 1262376, 1788366, 2384488, 2682549, 3576732, 5365098, 7153464, 10730196, 21460392]

約数ペア:

[(1, 21460392), (2, 10730196), (3, 7153464), (4, 5365098), (6, 3576732), (8, 2682549), (9, 2384488), (12, 1788366), (17, 1262376), (18, 1192244), (24, 894183), (34, 631188), (36, 596122), (51, 420792), (68, 315594), (72, 298061), (89, 241128), (102, 210396), (136, 157797), (153, 140264), (178, 120564), (197, 108936), (204, 105198), (267, 80376), (306, 70132), (356, 60282), (394, 54468), (408, 52599), (534, 40188), (591, 36312), (612, 35066), (712, 30141), (788, 27234), (801, 26792), (1068, 20094), (1182, 18156), (1224, 17533), (1513, 14184), (1576, 13617), (1602, 13396), (1773, 12104), (2136, 10047), (2364, 9078), (3026, 7092), (3204, 6698), (3349, 6408), (3546, 6052), (4539, 4728)]