21727888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14923}}^1$

素因数の和:14951

約数の個数: 40

約数和(自身を含む): 51816128

約数和(自身を除く): 30088240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14923, 29846, 59692, 104461, 119384, 193999, 208922, 238768, 387998, 417844, 775996, 835688, 1357993, 1551992, 1671376, 2715986, 3103984, 5431972, 10863944, 21727888]

約数ペア:

[(1, 21727888), (2, 10863944), (4, 5431972), (7, 3103984), (8, 2715986), (13, 1671376), (14, 1551992), (16, 1357993), (26, 835688), (28, 775996), (52, 417844), (56, 387998), (91, 238768), (104, 208922), (112, 193999), (182, 119384), (208, 104461), (364, 59692), (728, 29846), (1456, 14923)]