21445424

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 56639232

約数和(自身を除く): 35193808

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 103, 104, 112, 143, 154, 169, 176, 182, 206, 208, 286, 308, 338, 364, 412, 572, 616, 676, 721, 728, 824, 1001, 1133, 1144, 1183, 1232, 1339, 1352, 1442, 1456, 1648, 1859, 2002, 2266, 2288, 2366, 2678, 2704, 2884, 3718, 4004, 4532, 4732, 5356, 5768, 7436, 7931, 8008, 9064, 9373, 9464, 10712, 11536, 13013, 14729, 14872, 15862, 16016, 17407, 18128, 18746, 18928, 21424, 26026, 29458, 29744, 31724, 34814, 37492, 52052, 58916, 63448, 69628, 74984, 103103, 104104, 117832, 121849, 126896, 139256, 149968, 191477, 206206, 208208, 235664, 243698, 278512, 382954, 412412, 487396, 765908, 824824, 974792, 1340339, 1531816, 1649648, 1949584, 2680678, 3063632, 5361356, 10722712, 21445424]

約数ペア:

[(1, 21445424), (2, 10722712), (4, 5361356), (7, 3063632), (8, 2680678), (11, 1949584), (13, 1649648), (14, 1531816), (16, 1340339), (22, 974792), (26, 824824), (28, 765908), (44, 487396), (52, 412412), (56, 382954), (77, 278512), (88, 243698), (91, 235664), (103, 208208), (104, 206206), (112, 191477), (143, 149968), (154, 139256), (169, 126896), (176, 121849), (182, 117832), (206, 104104), (208, 103103), (286, 74984), (308, 69628), (338, 63448), (364, 58916), (412, 52052), (572, 37492), (616, 34814), (676, 31724), (721, 29744), (728, 29458), (824, 26026), (1001, 21424), (1133, 18928), (1144, 18746), (1183, 18128), (1232, 17407), (1339, 16016), (1352, 15862), (1442, 14872), (1456, 14729), (1648, 13013), (1859, 11536), (2002, 10712), (2266, 9464), (2288, 9373), (2366, 9064), (2678, 8008), (2704, 7931), (2884, 7436), (3718, 5768), (4004, 5356), (4532, 4732)]