21432152

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20143}}^1$

素因数の和:20175

約数の個数: 32

約数和(自身を含む): 48345600

約数和(自身を除く): 26913448

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20143, 40286, 80572, 141001, 161144, 282002, 382717, 564004, 765434, 1128008, 1530868, 2679019, 3061736, 5358038, 10716076, 21432152]

約数ペア:

[(1, 21432152), (2, 10716076), (4, 5358038), (7, 3061736), (8, 2679019), (14, 1530868), (19, 1128008), (28, 765434), (38, 564004), (56, 382717), (76, 282002), (133, 161144), (152, 141001), (266, 80572), (532, 40286), (1064, 20143)]