21791448

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43237}}^1$

素因数の和:43256

約数の個数: 48

約数和(自身を含む): 67451280

約数和(自身を除く): 45659832

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, 43237, 86474, 129711, 172948, 259422, 302659, 345896, 389133, 518844, 605318, 778266, 907977, 1037688, 1210636, 1556532, 1815954, 2421272, 2723931, 3113064, 3631908, 5447862, 7263816, 10895724, 21791448]

約数ペア:

[(1, 21791448), (2, 10895724), (3, 7263816), (4, 5447862), (6, 3631908), (7, 3113064), (8, 2723931), (9, 2421272), (12, 1815954), (14, 1556532), (18, 1210636), (21, 1037688), (24, 907977), (28, 778266), (36, 605318), (42, 518844), (56, 389133), (63, 345896), (72, 302659), (84, 259422), (126, 172948), (168, 129711), (252, 86474), (504, 43237)]