21579118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 14812562

約数列:

[1, 2, 11, 22, 89, 103, 107, 178, 206, 214, 979, 1133, 1177, 1958, 2266, 2354, 9167, 9523, 11021, 18334, 19046, 22042, 100837, 104753, 121231, 201674, 209506, 242462, 980869, 1961738, 10789559, 21579118]

約数ペア:

[(1, 21579118), (2, 10789559), (11, 1961738), (22, 980869), (89, 242462), (103, 209506), (107, 201674), (178, 121231), (206, 104753), (214, 100837), (979, 22042), (1133, 19046), (1177, 18334), (1958, 11021), (2266, 9523), (2354, 9167)]