21119874

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 43358976

約数和(自身を除く): 22239102

約数列:

[1, 2, 3, 6, 67, 107, 134, 201, 214, 321, 402, 491, 642, 982, 1473, 2946, 7169, 14338, 21507, 32897, 43014, 52537, 65794, 98691, 105074, 157611, 197382, 315222, 3519979, 7039958, 10559937, 21119874]

約数ペア:

[(1, 21119874), (2, 10559937), (3, 7039958), (6, 3519979), (67, 315222), (107, 197382), (134, 157611), (201, 105074), (214, 98691), (321, 65794), (402, 52537), (491, 43014), (642, 32897), (982, 21507), (1473, 14338), (2946, 7169)]