21775096

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 50155200

約数和(自身を除く): 28380104

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 89, 119, 136, 178, 238, 257, 356, 476, 514, 623, 712, 952, 1028, 1246, 1513, 1799, 2056, 2492, 3026, 3598, 4369, 4984, 6052, 7196, 8738, 10591, 12104, 14392, 17476, 21182, 22873, 30583, 34952, 42364, 45746, 61166, 84728, 91492, 122332, 160111, 182984, 244664, 320222, 388841, 640444, 777682, 1280888, 1555364, 2721887, 3110728, 5443774, 10887548, 21775096]

約数ペア:

[(1, 21775096), (2, 10887548), (4, 5443774), (7, 3110728), (8, 2721887), (14, 1555364), (17, 1280888), (28, 777682), (34, 640444), (56, 388841), (68, 320222), (89, 244664), (119, 182984), (136, 160111), (178, 122332), (238, 91492), (257, 84728), (356, 61166), (476, 45746), (514, 42364), (623, 34952), (712, 30583), (952, 22873), (1028, 21182), (1246, 17476), (1513, 14392), (1799, 12104), (2056, 10591), (2492, 8738), (3026, 7196), (3598, 6052), (4369, 4984)]