21232576

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{919}}^1$

素因数の和:969

約数の個数: 42

約数和(自身を含む): 44516040

約数和(自身を除く): 23283464

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 919, 1216, 1444, 1838, 2888, 3676, 5776, 7352, 11552, 14704, 17461, 23104, 29408, 34922, 58816, 69844, 139688, 279376, 331759, 558752, 663518, 1117504, 1327036, 2654072, 5308144, 10616288, 21232576]

約数ペア:

[(1, 21232576), (2, 10616288), (4, 5308144), (8, 2654072), (16, 1327036), (19, 1117504), (32, 663518), (38, 558752), (64, 331759), (76, 279376), (152, 139688), (304, 69844), (361, 58816), (608, 34922), (722, 29408), (919, 23104), (1216, 17461), (1444, 14704), (1838, 11552), (2888, 7352), (3676, 5776)]