21045456

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8597}}^1$

素因数の和:8628

約数の個数: 60

約数和(自身を含む): 62369892

約数和(自身を除く): 41324436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8597, 17194, 25791, 34388, 51582, 68776, 77373, 103164, 137552, 146149, 154746, 206328, 292298, 309492, 412656, 438447, 584596, 618984, 876894, 1169192, 1237968, 1315341, 1753788, 2338384, 2630682, 3507576, 5261364, 7015152, 10522728, 21045456]

約数ペア:

[(1, 21045456), (2, 10522728), (3, 7015152), (4, 5261364), (6, 3507576), (8, 2630682), (9, 2338384), (12, 1753788), (16, 1315341), (17, 1237968), (18, 1169192), (24, 876894), (34, 618984), (36, 584596), (48, 438447), (51, 412656), (68, 309492), (72, 292298), (102, 206328), (136, 154746), (144, 146149), (153, 137552), (204, 103164), (272, 77373), (306, 68776), (408, 51582), (612, 34388), (816, 25791), (1224, 17194), (2448, 8597)]