21087136

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4093}}^1$

素因数の和:4133

約数の個数: 48

約数和(自身を含む): 49521024

約数和(自身を除く): 28433888

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4093, 5152, 8186, 16372, 28651, 32744, 57302, 65488, 94139, 114604, 130976, 188278, 229208, 376556, 458416, 658973, 753112, 916832, 1317946, 1506224, 2635892, 3012448, 5271784, 10543568, 21087136]

約数ペア:

[(1, 21087136), (2, 10543568), (4, 5271784), (7, 3012448), (8, 2635892), (14, 1506224), (16, 1317946), (23, 916832), (28, 753112), (32, 658973), (46, 458416), (56, 376556), (92, 229208), (112, 188278), (161, 130976), (184, 114604), (224, 94139), (322, 65488), (368, 57302), (644, 32744), (736, 28651), (1288, 16372), (2576, 8186), (4093, 5152)]