21024927

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3371}}^1$

素因数の和:3401

約数の個数: 40

約数和(自身を含む): 39169152

約数和(自身を除く): 18144225

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3371, 6237, 10113, 23597, 30339, 37081, 70791, 91017, 111243, 212373, 259567, 273051, 333729, 637119, 778701, 1001187, 1911357, 2336103, 3003561, 7008309, 21024927]

約数ペア:

[(1, 21024927), (3, 7008309), (7, 3003561), (9, 2336103), (11, 1911357), (21, 1001187), (27, 778701), (33, 637119), (63, 333729), (77, 273051), (81, 259567), (99, 212373), (189, 111243), (231, 91017), (297, 70791), (567, 37081), (693, 30339), (891, 23597), (2079, 10113), (3371, 6237)]