21544331319

素因数分解:

$3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1187}}^1$

素因数の和:1499

約数の個数: 120

約数和(自身を含む): 39821070960

約数和(自身を除く): 18276739641

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 147, 153, 189, 269, 357, 441, 459, 567, 807, 833, 1071, 1187, 1323, 1377, 1883, 2421, 2499, 3213, 3561, 3969, 4573, 5649, 7263, 7497, 8309, 9639, 10683, 13181, 13719, 16947, 20179, 21789, 22491, 24927, 32011, 32049, 39543, 41157, 50841, 58163, 60537, 67473, 74781, 96033, 96147, 118629, 123471, 141253, 152523, 174489, 181611, 224077, 224343, 288099, 319303, 355887, 370413, 423759, 523467, 544833, 672231, 673029, 864297, 957909, 988771, 1067661, 1271277, 1570401, 1634499, 2016693, 2235121, 2592891, 2873727, 2966313, 3813831, 4711203, 5428151, 6050079, 6705363, 8621181, 8898939, 11441493, 15645847, 16284453, 18150237, 20116089, 25863543, 26696817, 37997057, 46937541, 48853359, 60348267, 80090451, 113991171, 140812623, 146560077, 181044801, 265979399, 341973513, 422437869, 439680231, 797938197, 1025920539, 1267313607, 2393814591, 3077761617, 7181443773, 21544331319]

約数ペア:

[(1, 21544331319), (3, 7181443773), (7, 3077761617), (9, 2393814591), (17, 1267313607), (21, 1025920539), (27, 797938197), (49, 439680231), (51, 422437869), (63, 341973513), (81, 265979399), (119, 181044801), (147, 146560077), (153, 140812623), (189, 113991171), (269, 80090451), (357, 60348267), (441, 48853359), (459, 46937541), (567, 37997057), (807, 26696817), (833, 25863543), (1071, 20116089), (1187, 18150237), (1323, 16284453), (1377, 15645847), (1883, 11441493), (2421, 8898939), (2499, 8621181), (3213, 6705363), (3561, 6050079), (3969, 5428151), (4573, 4711203), (5649, 3813831), (7263, 2966313), (7497, 2873727), (8309, 2592891), (9639, 2235121), (10683, 2016693), (13181, 1634499), (13719, 1570401), (16947, 1271277), (20179, 1067661), (21789, 988771), (22491, 957909), (24927, 864297), (32011, 673029), (32049, 672231), (39543, 544833), (41157, 523467), (50841, 423759), (58163, 370413), (60537, 355887), (67473, 319303), (74781, 288099), (96033, 224343), (96147, 224077), (118629, 181611), (123471, 174489), (141253, 152523)]