21233968

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8243}}^1$

素因数の和:8281

約数の個数: 40

約数和(自身を含む): 49068288

約数和(自身を除く): 27834320

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8243, 16486, 32972, 57701, 65944, 115402, 131888, 189589, 230804, 379178, 461608, 758356, 923216, 1327123, 1516712, 2654246, 3033424, 5308492, 10616984, 21233968]

約数ペア:

[(1, 21233968), (2, 10616984), (4, 5308492), (7, 3033424), (8, 2654246), (14, 1516712), (16, 1327123), (23, 923216), (28, 758356), (46, 461608), (56, 379178), (92, 230804), (112, 189589), (161, 131888), (184, 115402), (322, 65944), (368, 57701), (644, 32972), (1288, 16486), (2576, 8243)]