21094906280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4431703}}^1$

素因数の和:4431738

約数の個数: 64

約数和(自身を含む): 57434883840

約数和(自身を除く): 36339977560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 4431703, 8863406, 17726812, 22158515, 31021921, 35453624, 44317030, 62043842, 75338951, 88634060, 124087684, 150677902, 155109605, 177268120, 248175368, 301355804, 310219210, 376694755, 527372657, 602711608, 620438420, 753389510, 1054745314, 1240876840, 1506779020, 2109490628, 2636863285, 3013558040, 4218981256, 5273726570, 10547453140, 21094906280]

約数ペア:

[(1, 21094906280), (2, 10547453140), (4, 5273726570), (5, 4218981256), (7, 3013558040), (8, 2636863285), (10, 2109490628), (14, 1506779020), (17, 1240876840), (20, 1054745314), (28, 753389510), (34, 620438420), (35, 602711608), (40, 527372657), (56, 376694755), (68, 310219210), (70, 301355804), (85, 248175368), (119, 177268120), (136, 155109605), (140, 150677902), (170, 124087684), (238, 88634060), (280, 75338951), (340, 62043842), (476, 44317030), (595, 35453624), (680, 31021921), (952, 22158515), (1190, 17726812), (2380, 8863406), (4760, 4431703)]