21035872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4597}}^1$

素因数の和:4631

約数の個数: 48

約数和(自身を含む): 48665232

約数和(自身を除く): 27629360

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 4597, 9194, 18388, 36776, 50567, 59761, 73552, 101134, 119522, 147104, 202268, 239044, 404536, 478088, 657371, 809072, 956176, 1314742, 1618144, 1912352, 2629484, 5258968, 10517936, 21035872]

約数ペア:

[(1, 21035872), (2, 10517936), (4, 5258968), (8, 2629484), (11, 1912352), (13, 1618144), (16, 1314742), (22, 956176), (26, 809072), (32, 657371), (44, 478088), (52, 404536), (88, 239044), (104, 202268), (143, 147104), (176, 119522), (208, 101134), (286, 73552), (352, 59761), (416, 50567), (572, 36776), (1144, 18388), (2288, 9194), (4576, 4597)]