13421968

素因数分解:

$2^4\times 7^1\times {\mathrm{119839}}^1$

素因数の和:119854

約数の個数: 20

約数和(自身を含む): 29720320

約数和(自身を除く): 16298352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 119839, 239678, 479356, 838873, 958712, 1677746, 1917424, 3355492, 6710984, 13421968]

約数ペア:

[(1, 13421968), (2, 6710984), (4, 3355492), (7, 1917424), (8, 1677746), (14, 958712), (16, 838873), (28, 479356), (56, 239678), (112, 119839)]