21720171312

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1267517}}^1$

素因数の和:1267555

約数の個数: 120

約数和(自身を含む): 73556604576

約数和(自身を除く): 51836433264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 102, 112, 119, 126, 136, 144, 153, 168, 204, 238, 252, 272, 306, 336, 357, 408, 476, 504, 612, 714, 816, 952, 1008, 1071, 1224, 1428, 1904, 2142, 2448, 2856, 4284, 5712, 8568, 17136, 1267517, 2535034, 3802551, 5070068, 7605102, 8872619, 10140136, 11407653, 15210204, 17745238, 20280272, 21547789, 22815306, 26617857, 30420408, 35490476, 43095578, 45630612, 53235714, 60840816, 64643367, 70980952, 79853571, 86191156, 91261224, 106471428, 129286734, 141961904, 150834523, 159707142, 172382312, 182522448, 193930101, 212942856, 258573468, 301669046, 319414284, 344764624, 387860202, 425885712, 452503569, 517146936, 603338092, 638828568, 775720404, 905007138, 1034293872, 1206676184, 1277657136, 1357510707, 1551440808, 1810014276, 2413352368, 2715021414, 3102881616, 3620028552, 5430042828, 7240057104, 10860085656, 21720171312]

約数ペア:

[(1, 21720171312), (2, 10860085656), (3, 7240057104), (4, 5430042828), (6, 3620028552), (7, 3102881616), (8, 2715021414), (9, 2413352368), (12, 1810014276), (14, 1551440808), (16, 1357510707), (17, 1277657136), (18, 1206676184), (21, 1034293872), (24, 905007138), (28, 775720404), (34, 638828568), (36, 603338092), (42, 517146936), (48, 452503569), (51, 425885712), (56, 387860202), (63, 344764624), (68, 319414284), (72, 301669046), (84, 258573468), (102, 212942856), (112, 193930101), (119, 182522448), (126, 172382312), (136, 159707142), (144, 150834523), (153, 141961904), (168, 129286734), (204, 106471428), (238, 91261224), (252, 86191156), (272, 79853571), (306, 70980952), (336, 64643367), (357, 60840816), (408, 53235714), (476, 45630612), (504, 43095578), (612, 35490476), (714, 30420408), (816, 26617857), (952, 22815306), (1008, 21547789), (1071, 20280272), (1224, 17745238), (1428, 15210204), (1904, 11407653), (2142, 10140136), (2448, 8872619), (2856, 7605102), (4284, 5070068), (5712, 3802551), (8568, 2535034), (17136, 1267517)]