21000340872

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41667343}}^1$

素因数の和:41667362

約数の個数: 48

約数和(自身を含む): 65001056640

約数和(自身を除く): 44000715768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41667343, 83334686, 125002029, 166669372, 250004058, 291671401, 333338744, 375006087, 500008116, 583342802, 750012174, 875014203, 1000016232, 1166685604, 1500024348, 1750028406, 2333371208, 2625042609, 3000048696, 3500056812, 5250085218, 7000113624, 10500170436, 21000340872]

約数ペア:

[(1, 21000340872), (2, 10500170436), (3, 7000113624), (4, 5250085218), (6, 3500056812), (7, 3000048696), (8, 2625042609), (9, 2333371208), (12, 1750028406), (14, 1500024348), (18, 1166685604), (21, 1000016232), (24, 875014203), (28, 750012174), (36, 583342802), (42, 500008116), (56, 375006087), (63, 333338744), (72, 291671401), (84, 250004058), (126, 166669372), (168, 125002029), (252, 83334686), (504, 41667343)]