21081071

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 3594769

約数列:

[1, 11, 17, 79, 187, 869, 1343, 1427, 14773, 15697, 24259, 112733, 266849, 1240063, 1916461, 21081071]

約数ペア:

[(1, 21081071), (11, 1916461), (17, 1240063), (79, 266849), (187, 112733), (869, 24259), (1343, 15697), (1427, 14773)]