21623371

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16519}}^1$

素因数の和:16554

約数の個数: 16

約数和(自身を含む): 28546560

約数和(自身を除く): 6923189

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16519, 115633, 181709, 280823, 1271963, 1965761, 3089053, 21623371]

約数ペア:

[(1, 21623371), (7, 3089053), (11, 1965761), (17, 1271963), (77, 280823), (119, 181709), (187, 115633), (1309, 16519)]