21876766

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2003}}^1$

素因数の和:2175

約数の個数: 16

約数和(自身を含む): 33859584

約数和(自身を除く): 11982818

約数列:

[1, 2, 43, 86, 127, 254, 2003, 4006, 5461, 10922, 86129, 172258, 254381, 508762, 10938383, 21876766]

約数ペア:

[(1, 21876766), (2, 10938383), (43, 508762), (86, 254381), (127, 172258), (254, 86129), (2003, 10922), (4006, 5461)]