21987406

素因数分解:

$2^1\times 7^1\times {\mathrm{941}}^1\times {\mathrm{1669}}^1$

素因数の和:2619

約数の個数: 16

約数和(自身を含む): 37755360

約数和(自身を除く): 15767954

約数列:

[1, 2, 7, 14, 941, 1669, 1882, 3338, 6587, 11683, 13174, 23366, 1570529, 3141058, 10993703, 21987406]

約数ペア:

[(1, 21987406), (2, 10993703), (7, 3141058), (14, 1570529), (941, 23366), (1669, 13174), (1882, 11683), (3338, 6587)]