21751128

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 68140800

約数和(自身を除く): 46389672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 103, 126, 168, 206, 252, 309, 412, 419, 504, 618, 721, 824, 838, 927, 1236, 1257, 1442, 1676, 1854, 2163, 2472, 2514, 2884, 2933, 3352, 3708, 3771, 4326, 5028, 5768, 5866, 6489, 7416, 7542, 8652, 8799, 10056, 11732, 12978, 15084, 17304, 17598, 23464, 25956, 26397, 30168, 35196, 43157, 51912, 52794, 70392, 86314, 105588, 129471, 172628, 211176, 258942, 302099, 345256, 388413, 517884, 604198, 776826, 906297, 1035768, 1208396, 1553652, 1812594, 2416792, 2718891, 3107304, 3625188, 5437782, 7250376, 10875564, 21751128]

約数ペア:

[(1, 21751128), (2, 10875564), (3, 7250376), (4, 5437782), (6, 3625188), (7, 3107304), (8, 2718891), (9, 2416792), (12, 1812594), (14, 1553652), (18, 1208396), (21, 1035768), (24, 906297), (28, 776826), (36, 604198), (42, 517884), (56, 388413), (63, 345256), (72, 302099), (84, 258942), (103, 211176), (126, 172628), (168, 129471), (206, 105588), (252, 86314), (309, 70392), (412, 52794), (419, 51912), (504, 43157), (618, 35196), (721, 30168), (824, 26397), (838, 25956), (927, 23464), (1236, 17598), (1257, 17304), (1442, 15084), (1676, 12978), (1854, 11732), (2163, 10056), (2472, 8799), (2514, 8652), (2884, 7542), (2933, 7416), (3352, 6489), (3708, 5866), (3771, 5768), (4326, 5028)]