21660857204

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1\times {\mathrm{34129}}^1$

素因数の和:35352

約数の個数: 48

約数和(自身を含む): 45641366400

約数和(自身を除く): 23980509196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1193, 2386, 4772, 8351, 16702, 22667, 33404, 34129, 45334, 68258, 90668, 136516, 158669, 238903, 317338, 477806, 634676, 648451, 955612, 1296902, 2593804, 4539157, 9078314, 18156628, 40715897, 81431794, 162863588, 285011279, 570022558, 773602043, 1140045116, 1547204086, 3094408172, 5415214301, 10830428602, 21660857204]

約数ペア:

[(1, 21660857204), (2, 10830428602), (4, 5415214301), (7, 3094408172), (14, 1547204086), (19, 1140045116), (28, 773602043), (38, 570022558), (76, 285011279), (133, 162863588), (266, 81431794), (532, 40715897), (1193, 18156628), (2386, 9078314), (4772, 4539157), (8351, 2593804), (16702, 1296902), (22667, 955612), (33404, 648451), (34129, 634676), (45334, 477806), (68258, 317338), (90668, 238903), (136516, 158669)]