21318374

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 42439680

約数和(自身を除く): 21121306

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 289, 374, 479, 578, 958, 1309, 2023, 2618, 3179, 3353, 4046, 5269, 6358, 6706, 8143, 10538, 16286, 22253, 36883, 44506, 57001, 73766, 89573, 114002, 138431, 179146, 276862, 627011, 969017, 1254022, 1522741, 1938034, 3045482, 10659187, 21318374]

約数ペア:

[(1, 21318374), (2, 10659187), (7, 3045482), (11, 1938034), (14, 1522741), (17, 1254022), (22, 969017), (34, 627011), (77, 276862), (119, 179146), (154, 138431), (187, 114002), (238, 89573), (289, 73766), (374, 57001), (479, 44506), (578, 36883), (958, 22253), (1309, 16286), (2023, 10538), (2618, 8143), (3179, 6706), (3353, 6358), (4046, 5269)]