21139934265

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1\times {\mathrm{21143}}^1$

素因数の和:22478

約数の個数: 48

約数和(自身を含む): 38829518208

約数和(自身を除く): 17689583943

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1307, 3921, 6535, 11763, 19605, 21143, 22219, 58815, 63429, 66657, 105715, 111095, 190287, 199971, 317145, 333285, 359431, 951435, 999855, 1078293, 1797155, 3234879, 5391465, 16174395, 27633901, 82901703, 138169505, 248705109, 414508515, 469776317, 1243525545, 1409328951, 2348881585, 4227986853, 7046644755, 21139934265]

約数ペア:

[(1, 21139934265), (3, 7046644755), (5, 4227986853), (9, 2348881585), (15, 1409328951), (17, 1243525545), (45, 469776317), (51, 414508515), (85, 248705109), (153, 138169505), (255, 82901703), (765, 27633901), (1307, 16174395), (3921, 5391465), (6535, 3234879), (11763, 1797155), (19605, 1078293), (21143, 999855), (22219, 951435), (58815, 359431), (63429, 333285), (66657, 317145), (105715, 199971), (111095, 190287)]