21450744

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4729}}^1$

素因数の和:4754

約数の個数: 80

約数和(自身を含む): 68679600

約数和(自身を除く): 47228856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 4729, 9458, 14187, 18916, 28374, 33103, 37832, 42561, 56748, 66206, 85122, 99309, 113496, 127683, 132412, 170244, 198618, 255366, 264824, 297927, 340488, 383049, 397236, 510732, 595854, 766098, 794472, 893781, 1021464, 1191708, 1532196, 1787562, 2383416, 2681343, 3064392, 3575124, 5362686, 7150248, 10725372, 21450744]

約数ペア:

[(1, 21450744), (2, 10725372), (3, 7150248), (4, 5362686), (6, 3575124), (7, 3064392), (8, 2681343), (9, 2383416), (12, 1787562), (14, 1532196), (18, 1191708), (21, 1021464), (24, 893781), (27, 794472), (28, 766098), (36, 595854), (42, 510732), (54, 397236), (56, 383049), (63, 340488), (72, 297927), (81, 264824), (84, 255366), (108, 198618), (126, 170244), (162, 132412), (168, 127683), (189, 113496), (216, 99309), (252, 85122), (324, 66206), (378, 56748), (504, 42561), (567, 37832), (648, 33103), (756, 28374), (1134, 18916), (1512, 14187), (2268, 9458), (4536, 4729)]