21947543

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 23777280

約数和(自身を除く): 1829737

約数列:

[1, 23, 47, 79, 257, 1081, 1817, 3713, 5911, 12079, 20303, 85399, 277817, 466969, 954241, 21947543]

約数ペア:

[(1, 21947543), (23, 954241), (47, 466969), (79, 277817), (257, 85399), (1081, 20303), (1817, 12079), (3713, 5911)]