21106036

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 45001600

約数和(自身を除く): 23895564

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 266, 388, 409, 532, 679, 818, 1358, 1636, 1843, 2716, 2863, 3686, 5726, 7372, 7771, 11452, 12901, 15542, 25802, 31084, 39673, 51604, 54397, 79346, 108794, 158692, 217588, 277711, 555422, 753787, 1110844, 1507574, 3015148, 5276509, 10553018, 21106036]

約数ペア:

[(1, 21106036), (2, 10553018), (4, 5276509), (7, 3015148), (14, 1507574), (19, 1110844), (28, 753787), (38, 555422), (76, 277711), (97, 217588), (133, 158692), (194, 108794), (266, 79346), (388, 54397), (409, 51604), (532, 39673), (679, 31084), (818, 25802), (1358, 15542), (1636, 12901), (1843, 11452), (2716, 7771), (2863, 7372), (3686, 5726)]