21377736

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{5209}}^1$

素因数の和:5243

約数の個数: 64

約数和(自身を含む): 62520000

約数和(自身を除く): 41142264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 5209, 10418, 15627, 20836, 31254, 41672, 46881, 62508, 93762, 98971, 125016, 140643, 187524, 197942, 281286, 296913, 375048, 395884, 562572, 593826, 791768, 890739, 1125144, 1187652, 1781478, 2375304, 2672217, 3562956, 5344434, 7125912, 10688868, 21377736]

約数ペア:

[(1, 21377736), (2, 10688868), (3, 7125912), (4, 5344434), (6, 3562956), (8, 2672217), (9, 2375304), (12, 1781478), (18, 1187652), (19, 1125144), (24, 890739), (27, 791768), (36, 593826), (38, 562572), (54, 395884), (57, 375048), (72, 296913), (76, 281286), (108, 197942), (114, 187524), (152, 140643), (171, 125016), (216, 98971), (228, 93762), (342, 62508), (456, 46881), (513, 41672), (684, 31254), (1026, 20836), (1368, 15627), (2052, 10418), (4104, 5209)]