21935529

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3517}}^1$

素因数の和:3547

約数の個数: 40

約数和(自身を含む): 40865088

約数和(自身を除く): 18929559

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3517, 6237, 10551, 24619, 31653, 38687, 73857, 94959, 116061, 221571, 270809, 284877, 348183, 664713, 812427, 1044549, 1994139, 2437281, 3133647, 7311843, 21935529]

約数ペア:

[(1, 21935529), (3, 7311843), (7, 3133647), (9, 2437281), (11, 1994139), (21, 1044549), (27, 812427), (33, 664713), (63, 348183), (77, 284877), (81, 270809), (99, 221571), (189, 116061), (231, 94959), (297, 73857), (567, 38687), (693, 31653), (891, 24619), (2079, 10551), (3517, 6237)]