21219386

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{11251}}^1$

素因数の和:11317

約数の個数: 16

約数和(自身を含む): 34026048

約数和(自身を除く): 12806662

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 11251, 22502, 258773, 461291, 517546, 922582, 10609693, 21219386]

約数ペア:

[(1, 21219386), (2, 10609693), (23, 922582), (41, 517546), (46, 461291), (82, 258773), (943, 22502), (1886, 11251)]