21479447

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1163}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 24807168

約数和(自身を除く): 3327721

約数列:

[1, 11, 23, 73, 253, 803, 1163, 1679, 12793, 18469, 26749, 84899, 294239, 933889, 1952677, 21479447]

約数ペア:

[(1, 21479447), (11, 1952677), (23, 933889), (73, 294239), (253, 84899), (803, 26749), (1163, 18469), (1679, 12793)]