21924518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 22312282

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 59, 77, 118, 127, 133, 154, 209, 254, 266, 413, 418, 649, 826, 889, 1121, 1298, 1397, 1463, 1778, 2242, 2413, 2794, 2926, 4543, 4826, 7493, 7847, 9086, 9779, 12331, 14986, 15694, 16891, 19558, 24662, 26543, 33782, 52451, 53086, 82423, 86317, 104902, 142367, 164846, 172634, 185801, 284734, 371602, 576961, 996569, 1153922, 1566037, 1993138, 3132074, 10962259, 21924518]

約数ペア:

[(1, 21924518), (2, 10962259), (7, 3132074), (11, 1993138), (14, 1566037), (19, 1153922), (22, 996569), (38, 576961), (59, 371602), (77, 284734), (118, 185801), (127, 172634), (133, 164846), (154, 142367), (209, 104902), (254, 86317), (266, 82423), (413, 53086), (418, 52451), (649, 33782), (826, 26543), (889, 24662), (1121, 19558), (1298, 16891), (1397, 15694), (1463, 14986), (1778, 12331), (2242, 9779), (2413, 9086), (2794, 7847), (2926, 7493), (4543, 4826)]