21280266

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2963}}^1$

素因数の和:3000

約数の個数: 64

約数和(自身を含む): 56908800

約数和(自身を除く): 35628534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 2963, 3591, 5926, 7182, 8889, 17778, 20741, 26667, 41482, 53334, 56297, 62223, 80001, 112594, 124446, 160002, 168891, 186669, 337782, 373338, 394079, 506673, 560007, 788158, 1013346, 1120014, 1182237, 1520019, 2364474, 3040038, 3546711, 7093422, 10640133, 21280266]

約数ペア:

[(1, 21280266), (2, 10640133), (3, 7093422), (6, 3546711), (7, 3040038), (9, 2364474), (14, 1520019), (18, 1182237), (19, 1120014), (21, 1013346), (27, 788158), (38, 560007), (42, 506673), (54, 394079), (57, 373338), (63, 337782), (114, 186669), (126, 168891), (133, 160002), (171, 124446), (189, 112594), (266, 80001), (342, 62223), (378, 56297), (399, 53334), (513, 41482), (798, 26667), (1026, 20741), (1197, 17778), (2394, 8889), (2963, 7182), (3591, 5926)]